Home / 175,773.60-242,582.49-99,306.72

Finding the Fourth Proportional to 175,773.60, 242,582.49 and 99,306.72

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Solution

The fourth proportional to 175,773.60, 242,582.49 and 99,306.72 is: 137,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,773.60 : 242,582.49 = 99,306.72 : x
  2. Step 2: Convert to fraction form
    175,773.60/242,582.49 = 99,306.72/x
  3. Step 3: Cross multiply
    175,773.60x = 242,582.49 × 99,306.72
  4. Step 4: Simplify right side
    175,773.60x = 24,090,071,411.33
  5. Step 5: Solve for x
    x = 24,090,071,411.33/175,773.60
  6. Step 6: Final answer
    x = 137,051.70

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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.