Home / 95,447.20-143,170.80-91,818.40

Finding the Fourth Proportional to 95,447.20, 143,170.80 and 91,818.40

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Solution

The fourth proportional to 95,447.20, 143,170.80 and 91,818.40 is: 137,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,447.20 : 143,170.80 = 91,818.40 : x
  2. Step 2: Convert to fraction form
    95,447.20/143,170.80 = 91,818.40/x
  3. Step 3: Cross multiply
    95,447.20x = 143,170.80 × 91,818.40
  4. Step 4: Simplify right side
    95,447.20x = 13,145,713,782.72
  5. Step 5: Solve for x
    x = 13,145,713,782.72/95,447.20
  6. Step 6: Final answer
    x = 137,727.60

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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.