Home / 191,640.68-287,503.10-56,694.19

Finding the Fourth Proportional to 191,640.68, 287,503.10 and 56,694.19

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Solution

The fourth proportional to 191,640.68, 287,503.10 and 56,694.19 is: 85,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,640.68 : 287,503.10 = 56,694.19 : x
  2. Step 2: Convert to fraction form
    191,640.68/287,503.10 = 56,694.19/x
  3. Step 3: Cross multiply
    191,640.68x = 287,503.10 × 56,694.19
  4. Step 4: Simplify right side
    191,640.68x = 16,299,755,376.99
  5. Step 5: Solve for x
    x = 16,299,755,376.99/191,640.68
  6. Step 6: Final answer
    x = 85,053.73

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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.