Home / 150,135.62-207,262.13-86,461.11

Finding the Fourth Proportional to 150,135.62, 207,262.13 and 86,461.11

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Solution

The fourth proportional to 150,135.62, 207,262.13 and 86,461.11 is: 119,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,135.62 : 207,262.13 = 86,461.11 : x
  2. Step 2: Convert to fraction form
    150,135.62/207,262.13 = 86,461.11/x
  3. Step 3: Cross multiply
    150,135.62x = 207,262.13 × 86,461.11
  4. Step 4: Simplify right side
    150,135.62x = 17,920,113,388.46
  5. Step 5: Solve for x
    x = 17,920,113,388.46/150,135.62
  6. Step 6: Final answer
    x = 119,359.51

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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.