Home / 139,599.26-192,647.06-79,150.58

Finding the Fourth Proportional to 139,599.26, 192,647.06 and 79,150.58

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Solution

The fourth proportional to 139,599.26, 192,647.06 and 79,150.58 is: 109,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,599.26 : 192,647.06 = 79,150.58 : x
  2. Step 2: Convert to fraction form
    139,599.26/192,647.06 = 79,150.58/x
  3. Step 3: Cross multiply
    139,599.26x = 192,647.06 × 79,150.58
  4. Step 4: Simplify right side
    139,599.26x = 15,248,126,534.29
  5. Step 5: Solve for x
    x = 15,248,126,534.29/139,599.26
  6. Step 6: Final answer
    x = 109,227.85

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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.