Home / 167,966.10-251,949.15-120,726.90

Finding the Fourth Proportional to 167,966.10, 251,949.15 and 120,726.90

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Solution

The fourth proportional to 167,966.10, 251,949.15 and 120,726.90 is: 181,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,966.10 : 251,949.15 = 120,726.90 : x
  2. Step 2: Convert to fraction form
    167,966.10/251,949.15 = 120,726.90/x
  3. Step 3: Cross multiply
    167,966.10x = 251,949.15 × 120,726.90
  4. Step 4: Simplify right side
    167,966.10x = 30,417,039,837.14
  5. Step 5: Solve for x
    x = 30,417,039,837.14/167,966.10
  6. Step 6: Final answer
    x = 181,090.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.