Home / 373,721.11-560,248.35-137,008.60

Finding the Fourth Proportional to 373,721.11, 560,248.35 and 137,008.60

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Solution

The fourth proportional to 373,721.11, 560,248.35 and 137,008.60 is: 205,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,721.11 : 560,248.35 = 137,008.60 : x
  2. Step 2: Convert to fraction form
    373,721.11/560,248.35 = 137,008.60/x
  3. Step 3: Cross multiply
    373,721.11x = 560,248.35 × 137,008.60
  4. Step 4: Simplify right side
    373,721.11x = 76,758,842,085.81
  5. Step 5: Solve for x
    x = 76,758,842,085.81/373,721.11
  6. Step 6: Final answer
    x = 205,390.70

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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.