Home / 132,162.01-182,378.70-71,731.36

Finding the Fourth Proportional to 132,162.01, 182,378.70 and 71,731.36

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Solution

The fourth proportional to 132,162.01, 182,378.70 and 71,731.36 is: 98,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,162.01 : 182,378.70 = 71,731.36 : x
  2. Step 2: Convert to fraction form
    132,162.01/182,378.70 = 71,731.36/x
  3. Step 3: Cross multiply
    132,162.01x = 182,378.70 × 71,731.36
  4. Step 4: Simplify right side
    132,162.01x = 13,082,272,186.03
  5. Step 5: Solve for x
    x = 13,082,272,186.03/132,162.01
  6. Step 6: Final answer
    x = 98,986.63

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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.