Home / 224,747.80-336,732.90-145,821.40

Finding the Fourth Proportional to 224,747.80, 336,732.90 and 145,821.40

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Solution

The fourth proportional to 224,747.80, 336,732.90 and 145,821.40 is: 218,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,747.80 : 336,732.90 = 145,821.40 : x
  2. Step 2: Convert to fraction form
    224,747.80/336,732.90 = 145,821.40/x
  3. Step 3: Cross multiply
    224,747.80x = 336,732.90 × 145,821.40
  4. Step 4: Simplify right side
    224,747.80x = 49,102,862,904.06
  5. Step 5: Solve for x
    x = 49,102,862,904.06/224,747.80
  6. Step 6: Final answer
    x = 218,479.84

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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.