Home / 229,821.30-317,138.49-127,844.73

Finding the Fourth Proportional to 229,821.30, 317,138.49 and 127,844.73

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Solution

The fourth proportional to 229,821.30, 317,138.49 and 127,844.73 is: 176,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,821.30 : 317,138.49 = 127,844.73 : x
  2. Step 2: Convert to fraction form
    229,821.30/317,138.49 = 127,844.73/x
  3. Step 3: Cross multiply
    229,821.30x = 317,138.49 × 127,844.73
  4. Step 4: Simplify right side
    229,821.30x = 40,544,484,626.66
  5. Step 5: Solve for x
    x = 40,544,484,626.66/229,821.30
  6. Step 6: Final answer
    x = 176,417.44

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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.