Home / 123,352.18-170,230.13-75,596.30

Finding the Fourth Proportional to 123,352.18, 170,230.13 and 75,596.30

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Solution

The fourth proportional to 123,352.18, 170,230.13 and 75,596.30 is: 104,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,352.18 : 170,230.13 = 75,596.30 : x
  2. Step 2: Convert to fraction form
    123,352.18/170,230.13 = 75,596.30/x
  3. Step 3: Cross multiply
    123,352.18x = 170,230.13 × 75,596.30
  4. Step 4: Simplify right side
    123,352.18x = 12,868,767,976.52
  5. Step 5: Solve for x
    x = 12,868,767,976.52/123,352.18
  6. Step 6: Final answer
    x = 104,325.42

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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.