Home / 102,191.22-141,014.12-75,348.23

Finding the Fourth Proportional to 102,191.22, 141,014.12 and 75,348.23

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Solution

The fourth proportional to 102,191.22, 141,014.12 and 75,348.23 is: 103,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,191.22 : 141,014.12 = 75,348.23 : x
  2. Step 2: Convert to fraction form
    102,191.22/141,014.12 = 75,348.23/x
  3. Step 3: Cross multiply
    102,191.22x = 141,014.12 × 75,348.23
  4. Step 4: Simplify right side
    102,191.22x = 10,625,163,265.20
  5. Step 5: Solve for x
    x = 10,625,163,265.20/102,191.22
  6. Step 6: Final answer
    x = 103,973.35

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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.