Home / 137,159.04-205,761.60-43,693.44

Finding the Fourth Proportional to 137,159.04, 205,761.60 and 43,693.44

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Solution

The fourth proportional to 137,159.04, 205,761.60 and 43,693.44 is: 65,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,159.04 : 205,761.60 = 43,693.44 : x
  2. Step 2: Convert to fraction form
    137,159.04/205,761.60 = 43,693.44/x
  3. Step 3: Cross multiply
    137,159.04x = 205,761.60 × 43,693.44
  4. Step 4: Simplify right side
    137,159.04x = 8,990,432,123.90
  5. Step 5: Solve for x
    x = 8,990,432,123.90/137,159.04
  6. Step 6: Final answer
    x = 65,547.50

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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.