Home / 132,159.03-182,379.63-71,729.66

Finding the Fourth Proportional to 132,159.03, 182,379.63 and 71,729.66

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Solution

The fourth proportional to 132,159.03, 182,379.63 and 71,729.66 is: 98,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,159.03 : 182,379.63 = 71,729.66 : x
  2. Step 2: Convert to fraction form
    132,159.03/182,379.63 = 71,729.66/x
  3. Step 3: Cross multiply
    132,159.03x = 182,379.63 × 71,729.66
  4. Step 4: Simplify right side
    132,159.03x = 13,082,027,938.93
  5. Step 5: Solve for x
    x = 13,082,027,938.93/132,159.03
  6. Step 6: Final answer
    x = 98,987.02

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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.