Home / 132,220.81-182,463.59-71,790.26

Finding the Fourth Proportional to 132,220.81, 182,463.59 and 71,790.26

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Solution

The fourth proportional to 132,220.81, 182,463.59 and 71,790.26 is: 99,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,220.81 : 182,463.59 = 71,790.26 : x
  2. Step 2: Convert to fraction form
    132,220.81/182,463.59 = 71,790.26/x
  3. Step 3: Cross multiply
    132,220.81x = 182,463.59 × 71,790.26
  4. Step 4: Simplify right side
    132,220.81x = 13,099,108,207.68
  5. Step 5: Solve for x
    x = 13,099,108,207.68/132,220.81
  6. Step 6: Final answer
    x = 99,069.95

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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.