Home / 132,119.92-182,476.92-86,999.62

Finding the Fourth Proportional to 132,119.92, 182,476.92 and 86,999.62

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Solution

The fourth proportional to 132,119.92, 182,476.92 and 86,999.62 is: 120,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,119.92 : 182,476.92 = 86,999.62 : x
  2. Step 2: Convert to fraction form
    132,119.92/182,476.92 = 86,999.62/x
  3. Step 3: Cross multiply
    132,119.92x = 182,476.92 × 86,999.62
  4. Step 4: Simplify right side
    132,119.92x = 15,875,422,698.77
  5. Step 5: Solve for x
    x = 15,875,422,698.77/132,119.92
  6. Step 6: Final answer
    x = 120,159.19

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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.