Home / 150,134.13-207,260.07-86,459.61

Finding the Fourth Proportional to 150,134.13, 207,260.07 and 86,459.61

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Solution

The fourth proportional to 150,134.13, 207,260.07 and 86,459.61 is: 119,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,134.13 : 207,260.07 = 86,459.61 : x
  2. Step 2: Convert to fraction form
    150,134.13/207,260.07 = 86,459.61/x
  3. Step 3: Cross multiply
    150,134.13x = 207,260.07 × 86,459.61
  4. Step 4: Simplify right side
    150,134.13x = 17,919,624,820.77
  5. Step 5: Solve for x
    x = 17,919,624,820.77/150,134.13
  6. Step 6: Final answer
    x = 119,357.44

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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.