Home / 123,514.93-170,450.90-66,926.31

Finding the Fourth Proportional to 123,514.93, 170,450.90 and 66,926.31

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Solution

The fourth proportional to 123,514.93, 170,450.90 and 66,926.31 is: 92,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,514.93 : 170,450.90 = 66,926.31 : x
  2. Step 2: Convert to fraction form
    123,514.93/170,450.90 = 66,926.31/x
  3. Step 3: Cross multiply
    123,514.93x = 170,450.90 × 66,926.31
  4. Step 4: Simplify right side
    123,514.93x = 11,407,649,773.18
  5. Step 5: Solve for x
    x = 11,407,649,773.18/123,514.93
  6. Step 6: Final answer
    x = 92,358.47

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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.