Home / 181,086.20-249,887.14-100,509.88

Finding the Fourth Proportional to 181,086.20, 249,887.14 and 100,509.88

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Solution

The fourth proportional to 181,086.20, 249,887.14 and 100,509.88 is: 138,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,086.20 : 249,887.14 = 100,509.88 : x
  2. Step 2: Convert to fraction form
    181,086.20/249,887.14 = 100,509.88/x
  3. Step 3: Cross multiply
    181,086.20x = 249,887.14 × 100,509.88
  4. Step 4: Simplify right side
    181,086.20x = 25,116,126,454.94
  5. Step 5: Solve for x
    x = 25,116,126,454.94/181,086.20
  6. Step 6: Final answer
    x = 138,697.08

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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.