Home / 124,931.10-187,483.05-89,895.90

Finding the Fourth Proportional to 124,931.10, 187,483.05 and 89,895.90

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Solution

The fourth proportional to 124,931.10, 187,483.05 and 89,895.90 is: 134,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,931.10 : 187,483.05 = 89,895.90 : x
  2. Step 2: Convert to fraction form
    124,931.10/187,483.05 = 89,895.90/x
  3. Step 3: Cross multiply
    124,931.10x = 187,483.05 × 89,895.90
  4. Step 4: Simplify right side
    124,931.10x = 16,853,957,514.50
  5. Step 5: Solve for x
    x = 16,853,957,514.50/124,931.10
  6. Step 6: Final answer
    x = 134,906.02

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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.