Home / 226,406.28-312,447.70-124,429.89

Finding the Fourth Proportional to 226,406.28, 312,447.70 and 124,429.89

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Solution

The fourth proportional to 226,406.28, 312,447.70 and 124,429.89 is: 171,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,406.28 : 312,447.70 = 124,429.89 : x
  2. Step 2: Convert to fraction form
    226,406.28/312,447.70 = 124,429.89/x
  3. Step 3: Cross multiply
    226,406.28x = 312,447.70 × 124,429.89
  4. Step 4: Simplify right side
    226,406.28x = 38,877,833,411.80
  5. Step 5: Solve for x
    x = 38,877,833,411.80/226,406.28
  6. Step 6: Final answer
    x = 171,717.11

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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.