Home / 261,823.20-392,734.80-95,589.60

Finding the Fourth Proportional to 261,823.20, 392,734.80 and 95,589.60

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Solution

The fourth proportional to 261,823.20, 392,734.80 and 95,589.60 is: 143,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,823.20 : 392,734.80 = 95,589.60 : x
  2. Step 2: Convert to fraction form
    261,823.20/392,734.80 = 95,589.60/x
  3. Step 3: Cross multiply
    261,823.20x = 392,734.80 × 95,589.60
  4. Step 4: Simplify right side
    261,823.20x = 37,541,362,438.08
  5. Step 5: Solve for x
    x = 37,541,362,438.08/261,823.20
  6. Step 6: Final answer
    x = 143,384.40

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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.