Home / 123,164.33-169,966.73-66,575.70

Finding the Fourth Proportional to 123,164.33, 169,966.73 and 66,575.70

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Solution

The fourth proportional to 123,164.33, 169,966.73 and 66,575.70 is: 91,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,164.33 : 169,966.73 = 66,575.70 : x
  2. Step 2: Convert to fraction form
    123,164.33/169,966.73 = 66,575.70/x
  3. Step 3: Cross multiply
    123,164.33x = 169,966.73 × 66,575.70
  4. Step 4: Simplify right side
    123,164.33x = 11,315,653,693.58
  5. Step 5: Solve for x
    x = 11,315,653,693.58/123,164.33
  6. Step 6: Final answer
    x = 91,874.44

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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.