Home / 191,433.08-287,164.20-58,324.70

Finding the Fourth Proportional to 191,433.08, 287,164.20 and 58,324.70

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Solution

The fourth proportional to 191,433.08, 287,164.20 and 58,324.70 is: 87,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,433.08 : 287,164.20 = 58,324.70 : x
  2. Step 2: Convert to fraction form
    191,433.08/287,164.20 = 58,324.70/x
  3. Step 3: Cross multiply
    191,433.08x = 287,164.20 × 58,324.70
  4. Step 4: Simplify right side
    191,433.08x = 16,748,765,815.74
  5. Step 5: Solve for x
    x = 16,748,765,815.74/191,433.08
  6. Step 6: Final answer
    x = 87,491.49

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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.