Home / 231,565.60-347,299.80-65,314.72

Finding the Fourth Proportional to 231,565.60, 347,299.80 and 65,314.72

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Solution

The fourth proportional to 231,565.60, 347,299.80 and 65,314.72 is: 97,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,565.60 : 347,299.80 = 65,314.72 : x
  2. Step 2: Convert to fraction form
    231,565.60/347,299.80 = 65,314.72/x
  3. Step 3: Cross multiply
    231,565.60x = 347,299.80 × 65,314.72
  4. Step 4: Simplify right side
    231,565.60x = 22,683,789,193.06
  5. Step 5: Solve for x
    x = 22,683,789,193.06/231,565.60
  6. Step 6: Final answer
    x = 97,958.37

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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.