Home / 132,179.67-182,403-71,749.02

Finding the Fourth Proportional to 132,179.67, 182,403 and 71,749.02

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Solution

The fourth proportional to 132,179.67, 182,403 and 71,749.02 is: 99,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,179.67 : 182,403 = 71,749.02 : x
  2. Step 2: Convert to fraction form
    132,179.67/182,403 = 71,749.02/x
  3. Step 3: Cross multiply
    132,179.67x = 182,403 × 71,749.02
  4. Step 4: Simplify right side
    132,179.67x = 13,087,236,495.06
  5. Step 5: Solve for x
    x = 13,087,236,495.06/132,179.67
  6. Step 6: Final answer
    x = 99,010.96

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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.