Home / 153,170.06-211,380.50-85,191.94

Finding the Fourth Proportional to 153,170.06, 211,380.50 and 85,191.94

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Solution

The fourth proportional to 153,170.06, 211,380.50 and 85,191.94 is: 117,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,170.06 : 211,380.50 = 85,191.94 : x
  2. Step 2: Convert to fraction form
    153,170.06/211,380.50 = 85,191.94/x
  3. Step 3: Cross multiply
    153,170.06x = 211,380.50 × 85,191.94
  4. Step 4: Simplify right side
    153,170.06x = 18,007,915,350.38
  5. Step 5: Solve for x
    x = 18,007,915,350.38/153,170.06
  6. Step 6: Final answer
    x = 117,568.12

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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.