Home / 132,069.45-182,053.61-80,987.46

Finding the Fourth Proportional to 132,069.45, 182,053.61 and 80,987.46

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Solution

The fourth proportional to 132,069.45, 182,053.61 and 80,987.46 is: 111,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,069.45 : 182,053.61 = 80,987.46 : x
  2. Step 2: Convert to fraction form
    132,069.45/182,053.61 = 80,987.46/x
  3. Step 3: Cross multiply
    132,069.45x = 182,053.61 × 80,987.46
  4. Step 4: Simplify right side
    132,069.45x = 14,744,059,457.73
  5. Step 5: Solve for x
    x = 14,744,059,457.73/132,069.45
  6. Step 6: Final answer
    x = 111,638.68

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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.