Home / 92,218.10-138,327.15-82,886.90

Finding the Fourth Proportional to 92,218.10, 138,327.15 and 82,886.90

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Solution

The fourth proportional to 92,218.10, 138,327.15 and 82,886.90 is: 124,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,218.10 : 138,327.15 = 82,886.90 : x
  2. Step 2: Convert to fraction form
    92,218.10/138,327.15 = 82,886.90/x
  3. Step 3: Cross multiply
    92,218.10x = 138,327.15 × 82,886.90
  4. Step 4: Simplify right side
    92,218.10x = 11,465,508,649.34
  5. Step 5: Solve for x
    x = 11,465,508,649.34/92,218.10
  6. Step 6: Final answer
    x = 124,330.35

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1.5x scale

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.