Home / 176,132.28-243,057.06-99,645.60

Finding the Fourth Proportional to 176,132.28, 243,057.06 and 99,645.60

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Solution

The fourth proportional to 176,132.28, 243,057.06 and 99,645.60 is: 137,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,132.28 : 243,057.06 = 99,645.60 : x
  2. Step 2: Convert to fraction form
    176,132.28/243,057.06 = 99,645.60/x
  3. Step 3: Cross multiply
    176,132.28x = 243,057.06 × 99,645.60
  4. Step 4: Simplify right side
    176,132.28x = 24,219,566,577.94
  5. Step 5: Solve for x
    x = 24,219,566,577.94/176,132.28
  6. Step 6: Final answer
    x = 137,507.82

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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.