Home / 150,353.28-207,487.08-86,690.52

Finding the Fourth Proportional to 150,353.28, 207,487.08 and 86,690.52

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Solution

The fourth proportional to 150,353.28, 207,487.08 and 86,690.52 is: 119,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,353.28 : 207,487.08 = 86,690.52 : x
  2. Step 2: Convert to fraction form
    150,353.28/207,487.08 = 86,690.52/x
  3. Step 3: Cross multiply
    150,353.28x = 207,487.08 × 86,690.52
  4. Step 4: Simplify right side
    150,353.28x = 17,987,162,858.48
  5. Step 5: Solve for x
    x = 17,987,162,858.48/150,353.28
  6. Step 6: Final answer
    x = 119,632.66

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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.