Home / 231,865.60-348,028.80-113,670.40

Finding the Fourth Proportional to 231,865.60, 348,028.80 and 113,670.40

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Solution

The fourth proportional to 231,865.60, 348,028.80 and 113,670.40 is: 170,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,865.60 : 348,028.80 = 113,670.40 : x
  2. Step 2: Convert to fraction form
    231,865.60/348,028.80 = 113,670.40/x
  3. Step 3: Cross multiply
    231,865.60x = 348,028.80 × 113,670.40
  4. Step 4: Simplify right side
    231,865.60x = 39,560,572,907.52
  5. Step 5: Solve for x
    x = 39,560,572,907.52/231,865.60
  6. Step 6: Final answer
    x = 170,618.55

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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.