Home / 180,941.52-249,703.30-100,366.42

Finding the Fourth Proportional to 180,941.52, 249,703.30 and 100,366.42

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Solution

The fourth proportional to 180,941.52, 249,703.30 and 100,366.42 is: 138,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,941.52 : 249,703.30 = 100,366.42 : x
  2. Step 2: Convert to fraction form
    180,941.52/249,703.30 = 100,366.42/x
  3. Step 3: Cross multiply
    180,941.52x = 249,703.30 × 100,366.42
  4. Step 4: Simplify right side
    180,941.52x = 25,061,826,283.19
  5. Step 5: Solve for x
    x = 25,061,826,283.19/180,941.52
  6. Step 6: Final answer
    x = 138,507.88

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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.