Home / 181,097.24-249,902.34-100,520.84

Finding the Fourth Proportional to 181,097.24, 249,902.34 and 100,520.84

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Solution

The fourth proportional to 181,097.24, 249,902.34 and 100,520.84 is: 138,712.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,097.24 : 249,902.34 = 100,520.84 : x
  2. Step 2: Convert to fraction form
    181,097.24/249,902.34 = 100,520.84/x
  3. Step 3: Cross multiply
    181,097.24x = 249,902.34 × 100,520.84
  4. Step 4: Simplify right side
    181,097.24x = 25,120,393,134.77
  5. Step 5: Solve for x
    x = 25,120,393,134.77/181,097.24
  6. Step 6: Final answer
    x = 138,712.18

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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.