Home / 125,170.20-187,513.35-69,597.72

Finding the Fourth Proportional to 125,170.20, 187,513.35 and 69,597.72

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Solution

The fourth proportional to 125,170.20, 187,513.35 and 69,597.72 is: 104,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,170.20 : 187,513.35 = 69,597.72 : x
  2. Step 2: Convert to fraction form
    125,170.20/187,513.35 = 69,597.72/x
  3. Step 3: Cross multiply
    125,170.20x = 187,513.35 × 69,597.72
  4. Step 4: Simplify right side
    125,170.20x = 13,050,501,629.56
  5. Step 5: Solve for x
    x = 13,050,501,629.56/125,170.20
  6. Step 6: Final answer
    x = 104,262.05

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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.