Home / 123,323.18-170,186.43-66,734.55

Finding the Fourth Proportional to 123,323.18, 170,186.43 and 66,734.55

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Solution

The fourth proportional to 123,323.18, 170,186.43 and 66,734.55 is: 92,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,323.18 : 170,186.43 = 66,734.55 : x
  2. Step 2: Convert to fraction form
    123,323.18/170,186.43 = 66,734.55/x
  3. Step 3: Cross multiply
    123,323.18x = 170,186.43 × 66,734.55
  4. Step 4: Simplify right side
    123,323.18x = 11,357,314,822.16
  5. Step 5: Solve for x
    x = 11,357,314,822.16/123,323.18
  6. Step 6: Final answer
    x = 92,093.92

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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.