Home / 110,938.60-166,422.30-54,807.40

Finding the Fourth Proportional to 110,938.60, 166,422.30 and 54,807.40

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Solution

The fourth proportional to 110,938.60, 166,422.30 and 54,807.40 is: 82,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,938.60 : 166,422.30 = 54,807.40 : x
  2. Step 2: Convert to fraction form
    110,938.60/166,422.30 = 54,807.40/x
  3. Step 3: Cross multiply
    110,938.60x = 166,422.30 × 54,807.40
  4. Step 4: Simplify right side
    110,938.60x = 9,121,173,565.02
  5. Step 5: Solve for x
    x = 9,121,173,565.02/110,938.60
  6. Step 6: Final answer
    x = 82,218.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.