Home / 180,938.52-249,699.16-100,363.42

Finding the Fourth Proportional to 180,938.52, 249,699.16 and 100,363.42

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Solution

The fourth proportional to 180,938.52, 249,699.16 and 100,363.42 is: 138,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,938.52 : 249,699.16 = 100,363.42 : x
  2. Step 2: Convert to fraction form
    180,938.52/249,699.16 = 100,363.42/x
  3. Step 3: Cross multiply
    180,938.52x = 249,699.16 × 100,363.42
  4. Step 4: Simplify right side
    180,938.52x = 25,060,661,668.73
  5. Step 5: Solve for x
    x = 25,060,661,668.73/180,938.52
  6. Step 6: Final answer
    x = 138,503.74

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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.