Home / 181,098.24-249,903.72-100,521.84

Finding the Fourth Proportional to 181,098.24, 249,903.72 and 100,521.84

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Solution

The fourth proportional to 181,098.24, 249,903.72 and 100,521.84 is: 138,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,098.24 : 249,903.72 = 100,521.84 : x
  2. Step 2: Convert to fraction form
    181,098.24/249,903.72 = 100,521.84/x
  3. Step 3: Cross multiply
    181,098.24x = 249,903.72 × 100,521.84
  4. Step 4: Simplify right side
    181,098.24x = 25,120,781,757.24
  5. Step 5: Solve for x
    x = 25,120,781,757.24/181,098.24
  6. Step 6: Final answer
    x = 138,713.56

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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.