Home / 261,789.57-361,303.34-159,793.56

Finding the Fourth Proportional to 261,789.57, 361,303.34 and 159,793.56

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Solution

The fourth proportional to 261,789.57, 361,303.34 and 159,793.56 is: 220,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,789.57 : 361,303.34 = 159,793.56 : x
  2. Step 2: Convert to fraction form
    261,789.57/361,303.34 = 159,793.56/x
  3. Step 3: Cross multiply
    261,789.57x = 361,303.34 × 159,793.56
  4. Step 4: Simplify right side
    261,789.57x = 57,733,946,139.52
  5. Step 5: Solve for x
    x = 57,733,946,139.52/261,789.57
  6. Step 6: Final answer
    x = 220,535.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.