Home / 220,938.64-304,892.56-125,439.18

Finding the Fourth Proportional to 220,938.64, 304,892.56 and 125,439.18

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Solution

The fourth proportional to 220,938.64, 304,892.56 and 125,439.18 is: 173,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,938.64 : 304,892.56 = 125,439.18 : x
  2. Step 2: Convert to fraction form
    220,938.64/304,892.56 = 125,439.18/x
  3. Step 3: Cross multiply
    220,938.64x = 304,892.56 × 125,439.18
  4. Step 4: Simplify right side
    220,938.64x = 38,245,472,714.50
  5. Step 5: Solve for x
    x = 38,245,472,714.50/220,938.64
  6. Step 6: Final answer
    x = 173,104.50

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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.