Home / 198,209.38-273,756.18-130,529.02

Finding the Fourth Proportional to 198,209.38, 273,756.18 and 130,529.02

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Solution

The fourth proportional to 198,209.38, 273,756.18 and 130,529.02 is: 180,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,209.38 : 273,756.18 = 130,529.02 : x
  2. Step 2: Convert to fraction form
    198,209.38/273,756.18 = 130,529.02/x
  3. Step 3: Cross multiply
    198,209.38x = 273,756.18 × 130,529.02
  4. Step 4: Simplify right side
    198,209.38x = 35,733,125,894.34
  5. Step 5: Solve for x
    x = 35,733,125,894.34/198,209.38
  6. Step 6: Final answer
    x = 180,279.69

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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.