Home / 558,669.65-838,008.72-159,310.08

Finding the Fourth Proportional to 558,669.65, 838,008.72 and 159,310.08

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Solution

The fourth proportional to 558,669.65, 838,008.72 and 159,310.08 is: 238,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,669.65 : 838,008.72 = 159,310.08 : x
  2. Step 2: Convert to fraction form
    558,669.65/838,008.72 = 159,310.08/x
  3. Step 3: Cross multiply
    558,669.65x = 838,008.72 × 159,310.08
  4. Step 4: Simplify right side
    558,669.65x = 133,503,236,223.90
  5. Step 5: Solve for x
    x = 133,503,236,223.90/558,669.65
  6. Step 6: Final answer
    x = 238,966.33

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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.