Home / 123,282.22-170,129.64-66,693.46

Finding the Fourth Proportional to 123,282.22, 170,129.64 and 66,693.46

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Solution

The fourth proportional to 123,282.22, 170,129.64 and 66,693.46 is: 92,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,282.22 : 170,129.64 = 66,693.46 : x
  2. Step 2: Convert to fraction form
    123,282.22/170,129.64 = 66,693.46/x
  3. Step 3: Cross multiply
    123,282.22x = 170,129.64 × 66,693.46
  4. Step 4: Simplify right side
    123,282.22x = 11,346,534,340.15
  5. Step 5: Solve for x
    x = 11,346,534,340.15/123,282.22
  6. Step 6: Final answer
    x = 92,037.07

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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.