Home / 336,128.20-504,386.70-125,787.40

Finding the Fourth Proportional to 336,128.20, 504,386.70 and 125,787.40

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Solution

The fourth proportional to 336,128.20, 504,386.70 and 125,787.40 is: 188,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,128.20 : 504,386.70 = 125,787.40 : x
  2. Step 2: Convert to fraction form
    336,128.20/504,386.70 = 125,787.40/x
  3. Step 3: Cross multiply
    336,128.20x = 504,386.70 × 125,787.40
  4. Step 4: Simplify right side
    336,128.20x = 63,445,491,587.58
  5. Step 5: Solve for x
    x = 63,445,491,587.58/336,128.20
  6. Step 6: Final answer
    x = 188,753.85

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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.