Home / 191,931.96-287,887.56-58,812.62

Finding the Fourth Proportional to 191,931.96, 287,887.56 and 58,812.62

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Solution

The fourth proportional to 191,931.96, 287,887.56 and 58,812.62 is: 88,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,931.96 : 287,887.56 = 58,812.62 : x
  2. Step 2: Convert to fraction form
    191,931.96/287,887.56 = 58,812.62/x
  3. Step 3: Cross multiply
    191,931.96x = 287,887.56 × 58,812.62
  4. Step 4: Simplify right side
    191,931.96x = 16,931,420,229.57
  5. Step 5: Solve for x
    x = 16,931,420,229.57/191,931.96
  6. Step 6: Final answer
    x = 88,215.74

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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.