Home / 147,590.91-203,677.74-83,930.58

Finding the Fourth Proportional to 147,590.91, 203,677.74 and 83,930.58

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Solution

The fourth proportional to 147,590.91, 203,677.74 and 83,930.58 is: 115,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,590.91 : 203,677.74 = 83,930.58 : x
  2. Step 2: Convert to fraction form
    147,590.91/203,677.74 = 83,930.58/x
  3. Step 3: Cross multiply
    147,590.91x = 203,677.74 × 83,930.58
  4. Step 4: Simplify right side
    147,590.91x = 17,094,790,851.29
  5. Step 5: Solve for x
    x = 17,094,790,851.29/147,590.91
  6. Step 6: Final answer
    x = 115,825.50

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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.