Home / 120,567.56-166,392.63-66,863.07

Finding the Fourth Proportional to 120,567.56, 166,392.63 and 66,863.07

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Solution

The fourth proportional to 120,567.56, 166,392.63 and 66,863.07 is: 92,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,567.56 : 166,392.63 = 66,863.07 : x
  2. Step 2: Convert to fraction form
    120,567.56/166,392.63 = 66,863.07/x
  3. Step 3: Cross multiply
    120,567.56x = 166,392.63 × 66,863.07
  4. Step 4: Simplify right side
    120,567.56x = 11,125,522,067.17
  5. Step 5: Solve for x
    x = 11,125,522,067.17/120,567.56
  6. Step 6: Final answer
    x = 92,276.25

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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.