Home / 150,185.80-207,253.38-86,521.96

Finding the Fourth Proportional to 150,185.80, 207,253.38 and 86,521.96

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Solution

The fourth proportional to 150,185.80, 207,253.38 and 86,521.96 is: 119,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,185.80 : 207,253.38 = 86,521.96 : x
  2. Step 2: Convert to fraction form
    150,185.80/207,253.38 = 86,521.96/x
  3. Step 3: Cross multiply
    150,185.80x = 207,253.38 × 86,521.96
  4. Step 4: Simplify right side
    150,185.80x = 17,931,968,654.22
  5. Step 5: Solve for x
    x = 17,931,968,654.22/150,185.80
  6. Step 6: Final answer
    x = 119,398.56

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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.