Home / 229,868.88-317,198.52-127,890.96

Finding the Fourth Proportional to 229,868.88, 317,198.52 and 127,890.96

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Solution

The fourth proportional to 229,868.88, 317,198.52 and 127,890.96 is: 176,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,868.88 : 317,198.52 = 127,890.96 : x
  2. Step 2: Convert to fraction form
    229,868.88/317,198.52 = 127,890.96/x
  3. Step 3: Cross multiply
    229,868.88x = 317,198.52 × 127,890.96
  4. Step 4: Simplify right side
    229,868.88x = 40,566,823,233.38
  5. Step 5: Solve for x
    x = 40,566,823,233.38/229,868.88
  6. Step 6: Final answer
    x = 176,478.10

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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.