Home / 132,357.60-182,655.28-71,929.20

Finding the Fourth Proportional to 132,357.60, 182,655.28 and 71,929.20

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Solution

The fourth proportional to 132,357.60, 182,655.28 and 71,929.20 is: 99,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,357.60 : 182,655.28 = 71,929.20 : x
  2. Step 2: Convert to fraction form
    132,357.60/182,655.28 = 71,929.20/x
  3. Step 3: Cross multiply
    132,357.60x = 182,655.28 × 71,929.20
  4. Step 4: Simplify right side
    132,357.60x = 13,138,248,166.18
  5. Step 5: Solve for x
    x = 13,138,248,166.18/132,357.60
  6. Step 6: Final answer
    x = 99,263.27

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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.