Home / 226,405.28-312,446.32-124,428.89

Finding the Fourth Proportional to 226,405.28, 312,446.32 and 124,428.89

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Solution

The fourth proportional to 226,405.28, 312,446.32 and 124,428.89 is: 171,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,405.28 : 312,446.32 = 124,428.89 : x
  2. Step 2: Convert to fraction form
    226,405.28/312,446.32 = 124,428.89/x
  3. Step 3: Cross multiply
    226,405.28x = 312,446.32 × 124,428.89
  4. Step 4: Simplify right side
    226,405.28x = 38,877,349,252.23
  5. Step 5: Solve for x
    x = 38,877,349,252.23/226,405.28
  6. Step 6: Final answer
    x = 171,715.73

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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.