Home / 137,557.48-206,354.58-54,432.04

Finding the Fourth Proportional to 137,557.48, 206,354.58 and 54,432.04

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Solution

The fourth proportional to 137,557.48, 206,354.58 and 54,432.04 is: 81,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,557.48 : 206,354.58 = 54,432.04 : x
  2. Step 2: Convert to fraction form
    137,557.48/206,354.58 = 54,432.04/x
  3. Step 3: Cross multiply
    137,557.48x = 206,354.58 × 54,432.04
  4. Step 4: Simplify right side
    137,557.48x = 11,232,300,752.74
  5. Step 5: Solve for x
    x = 11,232,300,752.74/137,557.48
  6. Step 6: Final answer
    x = 81,655.33

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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.