Home / 176,396.46-243,446.97-99,920.76

Finding the Fourth Proportional to 176,396.46, 243,446.97 and 99,920.76

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Solution

The fourth proportional to 176,396.46, 243,446.97 and 99,920.76 is: 137,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,396.46 : 243,446.97 = 99,920.76 : x
  2. Step 2: Convert to fraction form
    176,396.46/243,446.97 = 99,920.76/x
  3. Step 3: Cross multiply
    176,396.46x = 243,446.97 × 99,920.76
  4. Step 4: Simplify right side
    176,396.46x = 24,325,406,262.10
  5. Step 5: Solve for x
    x = 24,325,406,262.10/176,396.46
  6. Step 6: Final answer
    x = 137,901.90

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1.5x scale

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.