Home / 181,053.20-249,975.24-138,535.76

Finding the Fourth Proportional to 181,053.20, 249,975.24 and 138,535.76

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Solution

The fourth proportional to 181,053.20, 249,975.24 and 138,535.76 is: 191,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,053.20 : 249,975.24 = 138,535.76 : x
  2. Step 2: Convert to fraction form
    181,053.20/249,975.24 = 138,535.76/x
  3. Step 3: Cross multiply
    181,053.20x = 249,975.24 × 138,535.76
  4. Step 4: Simplify right side
    181,053.20x = 34,630,509,854.58
  5. Step 5: Solve for x
    x = 34,630,509,854.58/181,053.20
  6. Step 6: Final answer
    x = 191,272.56

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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.