Home / 458,711.24-688,108.98-178,250.36

Finding the Fourth Proportional to 458,711.24, 688,108.98 and 178,250.36

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Solution

The fourth proportional to 458,711.24, 688,108.98 and 178,250.36 is: 267,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,711.24 : 688,108.98 = 178,250.36 : x
  2. Step 2: Convert to fraction form
    458,711.24/688,108.98 = 178,250.36/x
  3. Step 3: Cross multiply
    458,711.24x = 688,108.98 × 178,250.36
  4. Step 4: Simplify right side
    458,711.24x = 122,655,673,404.23
  5. Step 5: Solve for x
    x = 122,655,673,404.23/458,711.24
  6. Step 6: Final answer
    x = 267,391.91

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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.