Home / 215,161.80-296,902.50-124,499.72

Finding the Fourth Proportional to 215,161.80, 296,902.50 and 124,499.72

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Solution

The fourth proportional to 215,161.80, 296,902.50 and 124,499.72 is: 171,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,161.80 : 296,902.50 = 124,499.72 : x
  2. Step 2: Convert to fraction form
    215,161.80/296,902.50 = 124,499.72/x
  3. Step 3: Cross multiply
    215,161.80x = 296,902.50 × 124,499.72
  4. Step 4: Simplify right side
    215,161.80x = 36,964,276,632.79
  5. Step 5: Solve for x
    x = 36,964,276,632.79/215,161.80
  6. Step 6: Final answer
    x = 171,797.58

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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.