Home / 225,948.49-311,814.65-123,973.92

Finding the Fourth Proportional to 225,948.49, 311,814.65 and 123,973.92

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Solution

The fourth proportional to 225,948.49, 311,814.65 and 123,973.92 is: 171,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,948.49 : 311,814.65 = 123,973.92 : x
  2. Step 2: Convert to fraction form
    225,948.49/311,814.65 = 123,973.92/x
  3. Step 3: Cross multiply
    225,948.49x = 311,814.65 × 123,973.92
  4. Step 4: Simplify right side
    225,948.49x = 38,656,884,026.63
  5. Step 5: Solve for x
    x = 38,656,884,026.63/225,948.49
  6. Step 6: Final answer
    x = 171,087.16

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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.