Home / 197,601.12-296,189.28-85,334.40

Finding the Fourth Proportional to 197,601.12, 296,189.28 and 85,334.40

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Solution

The fourth proportional to 197,601.12, 296,189.28 and 85,334.40 is: 127,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,601.12 : 296,189.28 = 85,334.40 : x
  2. Step 2: Convert to fraction form
    197,601.12/296,189.28 = 85,334.40/x
  3. Step 3: Cross multiply
    197,601.12x = 296,189.28 × 85,334.40
  4. Step 4: Simplify right side
    197,601.12x = 25,275,134,495.23
  5. Step 5: Solve for x
    x = 25,275,134,495.23/197,601.12
  6. Step 6: Final answer
    x = 127,909.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.