Home / 132,147.59-182,363.81-71,718.26

Finding the Fourth Proportional to 132,147.59, 182,363.81 and 71,718.26

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Solution

The fourth proportional to 132,147.59, 182,363.81 and 71,718.26 is: 98,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,147.59 : 182,363.81 = 71,718.26 : x
  2. Step 2: Convert to fraction form
    132,147.59/182,363.81 = 71,718.26/x
  3. Step 3: Cross multiply
    132,147.59x = 182,363.81 × 71,718.26
  4. Step 4: Simplify right side
    132,147.59x = 13,078,813,869.76
  5. Step 5: Solve for x
    x = 13,078,813,869.76/132,147.59
  6. Step 6: Final answer
    x = 98,971.27

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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.