Home / 191,760.28-287,620.98-51,500.68

Finding the Fourth Proportional to 191,760.28, 287,620.98 and 51,500.68

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Solution

The fourth proportional to 191,760.28, 287,620.98 and 51,500.68 is: 77,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,760.28 : 287,620.98 = 51,500.68 : x
  2. Step 2: Convert to fraction form
    191,760.28/287,620.98 = 51,500.68/x
  3. Step 3: Cross multiply
    191,760.28x = 287,620.98 × 51,500.68
  4. Step 4: Simplify right side
    191,760.28x = 14,812,676,052.27
  5. Step 5: Solve for x
    x = 14,812,676,052.27/191,760.28
  6. Step 6: Final answer
    x = 77,245.80

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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.