Home / 226,235.71-312,207.85-124,263.56

Finding the Fourth Proportional to 226,235.71, 312,207.85 and 124,263.56

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Solution

The fourth proportional to 226,235.71, 312,207.85 and 124,263.56 is: 171,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,235.71 : 312,207.85 = 124,263.56 : x
  2. Step 2: Convert to fraction form
    226,235.71/312,207.85 = 124,263.56/x
  3. Step 3: Cross multiply
    226,235.71x = 312,207.85 × 124,263.56
  4. Step 4: Simplify right side
    226,235.71x = 38,796,059,836.80
  5. Step 5: Solve for x
    x = 38,796,059,836.80/226,235.71
  6. Step 6: Final answer
    x = 171,485.13

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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.