Home / 129,028.20-193,283.10-73,559.40

Finding the Fourth Proportional to 129,028.20, 193,283.10 and 73,559.40

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Solution

The fourth proportional to 129,028.20, 193,283.10 and 73,559.40 is: 110,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,028.20 : 193,283.10 = 73,559.40 : x
  2. Step 2: Convert to fraction form
    129,028.20/193,283.10 = 73,559.40/x
  3. Step 3: Cross multiply
    129,028.20x = 193,283.10 × 73,559.40
  4. Step 4: Simplify right side
    129,028.20x = 14,217,788,866.14
  5. Step 5: Solve for x
    x = 14,217,788,866.14/129,028.20
  6. Step 6: Final answer
    x = 110,191.33

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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.