Home / 132,193.29-182,359.15-84,396.40

Finding the Fourth Proportional to 132,193.29, 182,359.15 and 84,396.40

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Solution

The fourth proportional to 132,193.29, 182,359.15 and 84,396.40 is: 116,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,193.29 : 182,359.15 = 84,396.40 : x
  2. Step 2: Convert to fraction form
    132,193.29/182,359.15 = 84,396.40/x
  3. Step 3: Cross multiply
    132,193.29x = 182,359.15 × 84,396.40
  4. Step 4: Simplify right side
    132,193.29x = 15,390,455,767.06
  5. Step 5: Solve for x
    x = 15,390,455,767.06/132,193.29
  6. Step 6: Final answer
    x = 116,423.88

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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.