Home / 120,326.64-166,053.08-66,610.12

Finding the Fourth Proportional to 120,326.64, 166,053.08 and 66,610.12

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Solution

The fourth proportional to 120,326.64, 166,053.08 and 66,610.12 is: 91,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,326.64 : 166,053.08 = 66,610.12 : x
  2. Step 2: Convert to fraction form
    120,326.64/166,053.08 = 66,610.12/x
  3. Step 3: Cross multiply
    120,326.64x = 166,053.08 × 66,610.12
  4. Step 4: Simplify right side
    120,326.64x = 11,060,815,585.17
  5. Step 5: Solve for x
    x = 11,060,815,585.17/120,326.64
  6. Step 6: Final answer
    x = 91,923.25

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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.