Home / 372,382.29-558,136.04-172,280.00

Finding the Fourth Proportional to 372,382.29, 558,136.04 and 172,280.00

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Solution

The fourth proportional to 372,382.29, 558,136.04 and 172,280.00 is: 258,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,382.29 : 558,136.04 = 172,280.00 : x
  2. Step 2: Convert to fraction form
    372,382.29/558,136.04 = 172,280.00/x
  3. Step 3: Cross multiply
    372,382.29x = 558,136.04 × 172,280.00
  4. Step 4: Simplify right side
    372,382.29x = 96,155,673,965.17
  5. Step 5: Solve for x
    x = 96,155,673,965.17/372,382.29
  6. Step 6: Final answer
    x = 258,217.63

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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.