Home / 118,888.32-163,790.16-83,021.52

Finding the Fourth Proportional to 118,888.32, 163,790.16 and 83,021.52

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Solution

The fourth proportional to 118,888.32, 163,790.16 and 83,021.52 is: 114,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,888.32 : 163,790.16 = 83,021.52 : x
  2. Step 2: Convert to fraction form
    118,888.32/163,790.16 = 83,021.52/x
  3. Step 3: Cross multiply
    118,888.32x = 163,790.16 × 83,021.52
  4. Step 4: Simplify right side
    118,888.32x = 13,598,108,044.24
  5. Step 5: Solve for x
    x = 13,598,108,044.24/118,888.32
  6. Step 6: Final answer
    x = 114,377.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.