Home / 180,849.52-249,572.46-100,278.04

Finding the Fourth Proportional to 180,849.52, 249,572.46 and 100,278.04

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Solution

The fourth proportional to 180,849.52, 249,572.46 and 100,278.04 is: 138,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,849.52 : 249,572.46 = 100,278.04 : x
  2. Step 2: Convert to fraction form
    180,849.52/249,572.46 = 100,278.04/x
  3. Step 3: Cross multiply
    180,849.52x = 249,572.46 × 100,278.04
  4. Step 4: Simplify right side
    180,849.52x = 25,026,637,126.78
  5. Step 5: Solve for x
    x = 25,026,637,126.78/180,849.52
  6. Step 6: Final answer
    x = 138,383.76

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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.