Home / 231,811.60-347,947.80-113,616.40

Finding the Fourth Proportional to 231,811.60, 347,947.80 and 113,616.40

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Solution

The fourth proportional to 231,811.60, 347,947.80 and 113,616.40 is: 170,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,811.60 : 347,947.80 = 113,616.40 : x
  2. Step 2: Convert to fraction form
    231,811.60/347,947.80 = 113,616.40/x
  3. Step 3: Cross multiply
    231,811.60x = 347,947.80 × 113,616.40
  4. Step 4: Simplify right side
    231,811.60x = 39,532,576,423.92
  5. Step 5: Solve for x
    x = 39,532,576,423.92/231,811.60
  6. Step 6: Final answer
    x = 170,537.52

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1.5x scale

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.