Home / 226,549.10-312,645.56-124,578.40

Finding the Fourth Proportional to 226,549.10, 312,645.56 and 124,578.40

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Solution

The fourth proportional to 226,549.10, 312,645.56 and 124,578.40 is: 171,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,549.10 : 312,645.56 = 124,578.40 : x
  2. Step 2: Convert to fraction form
    226,549.10/312,645.56 = 124,578.40/x
  3. Step 3: Cross multiply
    226,549.10x = 312,645.56 × 124,578.40
  4. Step 4: Simplify right side
    226,549.10x = 38,948,883,009.01
  5. Step 5: Solve for x
    x = 38,948,883,009.01/226,549.10
  6. Step 6: Final answer
    x = 171,922.48

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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.