Home / 221,079.04-305,097.24-125,601.91

Finding the Fourth Proportional to 221,079.04, 305,097.24 and 125,601.91

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Solution

The fourth proportional to 221,079.04, 305,097.24 and 125,601.91 is: 173,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,079.04 : 305,097.24 = 125,601.91 : x
  2. Step 2: Convert to fraction form
    221,079.04/305,097.24 = 125,601.91/x
  3. Step 3: Cross multiply
    221,079.04x = 305,097.24 × 125,601.91
  4. Step 4: Simplify right side
    221,079.04x = 38,320,796,079.73
  5. Step 5: Solve for x
    x = 38,320,796,079.73/221,079.04
  6. Step 6: Final answer
    x = 173,335.27

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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.