Home / 181,074.92-249,878.58-100,500.36

Finding the Fourth Proportional to 181,074.92, 249,878.58 and 100,500.36

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Solution

The fourth proportional to 181,074.92, 249,878.58 and 100,500.36 is: 138,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,074.92 : 249,878.58 = 100,500.36 : x
  2. Step 2: Convert to fraction form
    181,074.92/249,878.58 = 100,500.36/x
  3. Step 3: Cross multiply
    181,074.92x = 249,878.58 × 100,500.36
  4. Step 4: Simplify right side
    181,074.92x = 25,112,887,246.29
  5. Step 5: Solve for x
    x = 25,112,887,246.29/181,074.92
  6. Step 6: Final answer
    x = 138,687.83

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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.