Home / 131,949.28-182,109.46-83,555.62

Finding the Fourth Proportional to 131,949.28, 182,109.46 and 83,555.62

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Solution

The fourth proportional to 131,949.28, 182,109.46 and 83,555.62 is: 115,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,949.28 : 182,109.46 = 83,555.62 : x
  2. Step 2: Convert to fraction form
    131,949.28/182,109.46 = 83,555.62/x
  3. Step 3: Cross multiply
    131,949.28x = 182,109.46 × 83,555.62
  4. Step 4: Simplify right side
    131,949.28x = 15,216,269,084.55
  5. Step 5: Solve for x
    x = 15,216,269,084.55/131,949.28
  6. Step 6: Final answer
    x = 115,319.08

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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.