Home / 207,826.80-312,047.40-161,132.40

Finding the Fourth Proportional to 207,826.80, 312,047.40 and 161,132.40

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Solution

The fourth proportional to 207,826.80, 312,047.40 and 161,132.40 is: 241,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,826.80 : 312,047.40 = 161,132.40 : x
  2. Step 2: Convert to fraction form
    207,826.80/312,047.40 = 161,132.40/x
  3. Step 3: Cross multiply
    207,826.80x = 312,047.40 × 161,132.40
  4. Step 4: Simplify right side
    207,826.80x = 50,280,946,475.76
  5. Step 5: Solve for x
    x = 50,280,946,475.76/207,826.80
  6. Step 6: Final answer
    x = 241,936.78

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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.