Home / 187,250.70-280,876.05-127,116.30

Finding the Fourth Proportional to 187,250.70, 280,876.05 and 127,116.30

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Solution

The fourth proportional to 187,250.70, 280,876.05 and 127,116.30 is: 190,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,250.70 : 280,876.05 = 127,116.30 : x
  2. Step 2: Convert to fraction form
    187,250.70/280,876.05 = 127,116.30/x
  3. Step 3: Cross multiply
    187,250.70x = 280,876.05 × 127,116.30
  4. Step 4: Simplify right side
    187,250.70x = 35,703,924,234.62
  5. Step 5: Solve for x
    x = 35,703,924,234.62/187,250.70
  6. Step 6: Final answer
    x = 190,674.45

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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.