Home / 234,178.11-351,279.60-74,266.65

Finding the Fourth Proportional to 234,178.11, 351,279.60 and 74,266.65

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Solution

The fourth proportional to 234,178.11, 351,279.60 and 74,266.65 is: 111,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,178.11 : 351,279.60 = 74,266.65 : x
  2. Step 2: Convert to fraction form
    234,178.11/351,279.60 = 74,266.65/x
  3. Step 3: Cross multiply
    234,178.11x = 351,279.60 × 74,266.65
  4. Step 4: Simplify right side
    234,178.11x = 26,088,357,416.71
  5. Step 5: Solve for x
    x = 26,088,357,416.71/234,178.11
  6. Step 6: Final answer
    x = 111,403.91

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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.