Home / 158,732.48-219,053.50-87,119.17

Finding the Fourth Proportional to 158,732.48, 219,053.50 and 87,119.17

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Solution

The fourth proportional to 158,732.48, 219,053.50 and 87,119.17 is: 120,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,732.48 : 219,053.50 = 87,119.17 : x
  2. Step 2: Convert to fraction form
    158,732.48/219,053.50 = 87,119.17/x
  3. Step 3: Cross multiply
    158,732.48x = 219,053.50 × 87,119.17
  4. Step 4: Simplify right side
    158,732.48x = 19,083,758,340.16
  5. Step 5: Solve for x
    x = 19,083,758,340.16/158,732.48
  6. Step 6: Final answer
    x = 120,225.92

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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.