Home / 170,112,000.80-255,168,001.20-146,224,128.80

Finding the Fourth Proportional to 170,112,000.80, 255,168,001.20 and 146,224,128.80

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Solution

The fourth proportional to 170,112,000.80, 255,168,001.20 and 146,224,128.80 is: 219,336,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,112,000.80 : 255,168,001.20 = 146,224,128.80 : x
  2. Step 2: Convert to fraction form
    170,112,000.80/255,168,001.20 = 146,224,128.80/x
  3. Step 3: Cross multiply
    170,112,000.80x = 255,168,001.20 × 146,224,128.80
  4. Step 4: Simplify right side
    170,112,000.80x = 37,311,718,673,107,352
  5. Step 5: Solve for x
    x = 37,311,718,673,107,352/170,112,000.80
  6. Step 6: Final answer
    x = 219,336,193.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.