Home / 132,351.13-182,643.96-71,920.63

Finding the Fourth Proportional to 132,351.13, 182,643.96 and 71,920.63

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Solution

The fourth proportional to 132,351.13, 182,643.96 and 71,920.63 is: 99,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,351.13 : 182,643.96 = 71,920.63 : x
  2. Step 2: Convert to fraction form
    132,351.13/182,643.96 = 71,920.63/x
  3. Step 3: Cross multiply
    132,351.13x = 182,643.96 × 71,920.63
  4. Step 4: Simplify right side
    132,351.13x = 13,135,868,668.89
  5. Step 5: Solve for x
    x = 13,135,868,668.89/132,351.13
  6. Step 6: Final answer
    x = 99,250.14

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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.