Home / 191,447.18-287,213.60-58,337.86

Finding the Fourth Proportional to 191,447.18, 287,213.60 and 58,337.86

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Solution

The fourth proportional to 191,447.18, 287,213.60 and 58,337.86 is: 87,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,447.18 : 287,213.60 = 58,337.86 : x
  2. Step 2: Convert to fraction form
    191,447.18/287,213.60 = 58,337.86/x
  3. Step 3: Cross multiply
    191,447.18x = 287,213.60 × 58,337.86
  4. Step 4: Simplify right side
    191,447.18x = 16,755,426,214.71
  5. Step 5: Solve for x
    x = 16,755,426,214.71/191,447.18
  6. Step 6: Final answer
    x = 87,519.84

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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.