Home / 250,222.52-345,312.78-137,044.28

Finding the Fourth Proportional to 250,222.52, 345,312.78 and 137,044.28

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Solution

The fourth proportional to 250,222.52, 345,312.78 and 137,044.28 is: 189,124.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,222.52 : 345,312.78 = 137,044.28 : x
  2. Step 2: Convert to fraction form
    250,222.52/345,312.78 = 137,044.28/x
  3. Step 3: Cross multiply
    250,222.52x = 345,312.78 × 137,044.28
  4. Step 4: Simplify right side
    250,222.52x = 47,323,141,309.90
  5. Step 5: Solve for x
    x = 47,323,141,309.90/250,222.52
  6. Step 6: Final answer
    x = 189,124.23

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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.