Home / 97,401.60-146,275.20-75,268.80

Finding the Fourth Proportional to 97,401.60, 146,275.20 and 75,268.80

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Solution

The fourth proportional to 97,401.60, 146,275.20 and 75,268.80 is: 113,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,401.60 : 146,275.20 = 75,268.80 : x
  2. Step 2: Convert to fraction form
    97,401.60/146,275.20 = 75,268.80/x
  3. Step 3: Cross multiply
    97,401.60x = 146,275.20 × 75,268.80
  4. Step 4: Simplify right side
    97,401.60x = 11,009,958,773.76
  5. Step 5: Solve for x
    x = 11,009,958,773.76/97,401.60
  6. Step 6: Final answer
    x = 113,036.73

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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.