Home / 123,441.93-170,349.70-66,853.53

Finding the Fourth Proportional to 123,441.93, 170,349.70 and 66,853.53

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Solution

The fourth proportional to 123,441.93, 170,349.70 and 66,853.53 is: 92,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,441.93 : 170,349.70 = 66,853.53 : x
  2. Step 2: Convert to fraction form
    123,441.93/170,349.70 = 66,853.53/x
  3. Step 3: Cross multiply
    123,441.93x = 170,349.70 × 66,853.53
  4. Step 4: Simplify right side
    123,441.93x = 11,388,478,779.44
  5. Step 5: Solve for x
    x = 11,388,478,779.44/123,441.93
  6. Step 6: Final answer
    x = 92,257.78

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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.