Home / 191,432.46-287,138.22-58,301.57

Finding the Fourth Proportional to 191,432.46, 287,138.22 and 58,301.57

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Solution

The fourth proportional to 191,432.46, 287,138.22 and 58,301.57 is: 87,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,432.46 : 287,138.22 = 58,301.57 : x
  2. Step 2: Convert to fraction form
    191,432.46/287,138.22 = 58,301.57/x
  3. Step 3: Cross multiply
    191,432.46x = 287,138.22 × 58,301.57
  4. Step 4: Simplify right side
    191,432.46x = 16,740,609,532.22
  5. Step 5: Solve for x
    x = 16,740,609,532.22/191,432.46
  6. Step 6: Final answer
    x = 87,449.17

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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.