Home / 176,788.17-243,993.39-99,272.52

Finding the Fourth Proportional to 176,788.17, 243,993.39 and 99,272.52

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Solution

The fourth proportional to 176,788.17, 243,993.39 and 99,272.52 is: 137,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,788.17 : 243,993.39 = 99,272.52 : x
  2. Step 2: Convert to fraction form
    176,788.17/243,993.39 = 99,272.52/x
  3. Step 3: Cross multiply
    176,788.17x = 243,993.39 × 99,272.52
  4. Step 4: Simplify right side
    176,788.17x = 24,221,838,688.64
  5. Step 5: Solve for x
    x = 24,221,838,688.64/176,788.17
  6. Step 6: Final answer
    x = 137,010.52

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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.