Home / 150,168.06-207,278.04-86,548.20

Finding the Fourth Proportional to 150,168.06, 207,278.04 and 86,548.20

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Solution

The fourth proportional to 150,168.06, 207,278.04 and 86,548.20 is: 119,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,168.06 : 207,278.04 = 86,548.20 : x
  2. Step 2: Convert to fraction form
    150,168.06/207,278.04 = 86,548.20/x
  3. Step 3: Cross multiply
    150,168.06x = 207,278.04 × 86,548.20
  4. Step 4: Simplify right side
    150,168.06x = 17,939,541,261.53
  5. Step 5: Solve for x
    x = 17,939,541,261.53/150,168.06
  6. Step 6: Final answer
    x = 119,463.10

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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.