Home / 132,070.81-182,257.12-71,641.48

Finding the Fourth Proportional to 132,070.81, 182,257.12 and 71,641.48

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Solution

The fourth proportional to 132,070.81, 182,257.12 and 71,641.48 is: 98,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.81 : 182,257.12 = 71,641.48 : x
  2. Step 2: Convert to fraction form
    132,070.81/182,257.12 = 71,641.48/x
  3. Step 3: Cross multiply
    132,070.81x = 182,257.12 × 71,641.48
  4. Step 4: Simplify right side
    132,070.81x = 13,057,169,817.34
  5. Step 5: Solve for x
    x = 13,057,169,817.34/132,070.81
  6. Step 6: Final answer
    x = 98,864.92

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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.