Home / 132,180.18-182,403.69-71,749.50

Finding the Fourth Proportional to 132,180.18, 182,403.69 and 71,749.50

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Solution

The fourth proportional to 132,180.18, 182,403.69 and 71,749.50 is: 99,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,180.18 : 182,403.69 = 71,749.50 : x
  2. Step 2: Convert to fraction form
    132,180.18/182,403.69 = 71,749.50/x
  3. Step 3: Cross multiply
    132,180.18x = 182,403.69 × 71,749.50
  4. Step 4: Simplify right side
    132,180.18x = 13,087,373,555.66
  5. Step 5: Solve for x
    x = 13,087,373,555.66/132,180.18
  6. Step 6: Final answer
    x = 99,011.62

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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.