Home / 181,254.18-250,127.28-100,678.08

Finding the Fourth Proportional to 181,254.18, 250,127.28 and 100,678.08

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Solution

The fourth proportional to 181,254.18, 250,127.28 and 100,678.08 is: 138,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,254.18 : 250,127.28 = 100,678.08 : x
  2. Step 2: Convert to fraction form
    181,254.18/250,127.28 = 100,678.08/x
  3. Step 3: Cross multiply
    181,254.18x = 250,127.28 × 100,678.08
  4. Step 4: Simplify right side
    181,254.18x = 25,182,334,306.02
  5. Step 5: Solve for x
    x = 25,182,334,306.02/181,254.18
  6. Step 6: Final answer
    x = 138,933.81

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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.