Home / 436,436.16-654,654.24-136,962.96

Finding the Fourth Proportional to 436,436.16, 654,654.24 and 136,962.96

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Solution

The fourth proportional to 436,436.16, 654,654.24 and 136,962.96 is: 205,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,436.16 : 654,654.24 = 136,962.96 : x
  2. Step 2: Convert to fraction form
    436,436.16/654,654.24 = 136,962.96/x
  3. Step 3: Cross multiply
    436,436.16x = 654,654.24 × 136,962.96
  4. Step 4: Simplify right side
    436,436.16x = 89,663,382,486.95
  5. Step 5: Solve for x
    x = 89,663,382,486.95/436,436.16
  6. Step 6: Final answer
    x = 205,444.44

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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.