Home / 123,749.22-170,685.68-113,573.04

Finding the Fourth Proportional to 123,749.22, 170,685.68 and 113,573.04

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Solution

The fourth proportional to 123,749.22, 170,685.68 and 113,573.04 is: 156,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,749.22 : 170,685.68 = 113,573.04 : x
  2. Step 2: Convert to fraction form
    123,749.22/170,685.68 = 113,573.04/x
  3. Step 3: Cross multiply
    123,749.22x = 170,685.68 × 113,573.04
  4. Step 4: Simplify right side
    123,749.22x = 19,385,291,562.07
  5. Step 5: Solve for x
    x = 19,385,291,562.07/123,749.22
  6. Step 6: Final answer
    x = 156,649.81

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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.