Home / 187,331.40-280,997.10-60,983.55

Finding the Fourth Proportional to 187,331.40, 280,997.10 and 60,983.55

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Solution

The fourth proportional to 187,331.40, 280,997.10 and 60,983.55 is: 91,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,331.40 : 280,997.10 = 60,983.55 : x
  2. Step 2: Convert to fraction form
    187,331.40/280,997.10 = 60,983.55/x
  3. Step 3: Cross multiply
    187,331.40x = 280,997.10 × 60,983.55
  4. Step 4: Simplify right side
    187,331.40x = 17,136,200,697.71
  5. Step 5: Solve for x
    x = 17,136,200,697.71/187,331.40
  6. Step 6: Final answer
    x = 91,475.33

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1.5x scale

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.