Home / 150,042.30-207,083.85-86,416.95

Finding the Fourth Proportional to 150,042.30, 207,083.85 and 86,416.95

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Solution

The fourth proportional to 150,042.30, 207,083.85 and 86,416.95 is: 119,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,042.30 : 207,083.85 = 86,416.95 : x
  2. Step 2: Convert to fraction form
    150,042.30/207,083.85 = 86,416.95/x
  3. Step 3: Cross multiply
    150,042.30x = 207,083.85 × 86,416.95
  4. Step 4: Simplify right side
    150,042.30x = 17,895,554,711.26
  5. Step 5: Solve for x
    x = 17,895,554,711.26/150,042.30
  6. Step 6: Final answer
    x = 119,270.06

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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.