Home / 224,438.27-336,712.28-74,678.18

Finding the Fourth Proportional to 224,438.27, 336,712.28 and 74,678.18

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Solution

The fourth proportional to 224,438.27, 336,712.28 and 74,678.18 is: 112,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,438.27 : 336,712.28 = 74,678.18 : x
  2. Step 2: Convert to fraction form
    224,438.27/336,712.28 = 74,678.18/x
  3. Step 3: Cross multiply
    224,438.27x = 336,712.28 × 74,678.18
  4. Step 4: Simplify right side
    224,438.27x = 25,145,058,197.10
  5. Step 5: Solve for x
    x = 25,145,058,197.10/224,438.27
  6. Step 6: Final answer
    x = 112,035.52

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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.