Home / 180,659.87-249,285.20-100,092.16

Finding the Fourth Proportional to 180,659.87, 249,285.20 and 100,092.16

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Solution

The fourth proportional to 180,659.87, 249,285.20 and 100,092.16 is: 138,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,659.87 : 249,285.20 = 100,092.16 : x
  2. Step 2: Convert to fraction form
    180,659.87/249,285.20 = 100,092.16/x
  3. Step 3: Cross multiply
    180,659.87x = 249,285.20 × 100,092.16
  4. Step 4: Simplify right side
    180,659.87x = 24,951,492,532.95
  5. Step 5: Solve for x
    x = 24,951,492,532.95/180,659.87
  6. Step 6: Final answer
    x = 138,113.09

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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.