Home / 132,419.01-182,741.84-71,993.72

Finding the Fourth Proportional to 132,419.01, 182,741.84 and 71,993.72

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Solution

The fourth proportional to 132,419.01, 182,741.84 and 71,993.72 is: 99,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,419.01 : 182,741.84 = 71,993.72 : x
  2. Step 2: Convert to fraction form
    132,419.01/182,741.84 = 71,993.72/x
  3. Step 3: Cross multiply
    132,419.01x = 182,741.84 × 71,993.72
  4. Step 4: Simplify right side
    132,419.01x = 13,156,264,861.24
  5. Step 5: Solve for x
    x = 13,156,264,861.24/132,419.01
  6. Step 6: Final answer
    x = 99,353.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.