Home / 250,543.31-345,734.88-148,578.39

Finding the Fourth Proportional to 250,543.31, 345,734.88 and 148,578.39

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Solution

The fourth proportional to 250,543.31, 345,734.88 and 148,578.39 is: 205,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,543.31 : 345,734.88 = 148,578.39 : x
  2. Step 2: Convert to fraction form
    250,543.31/345,734.88 = 148,578.39/x
  3. Step 3: Cross multiply
    250,543.31x = 345,734.88 × 148,578.39
  4. Step 4: Simplify right side
    250,543.31x = 51,368,731,837.24
  5. Step 5: Solve for x
    x = 51,368,731,837.24/250,543.31
  6. Step 6: Final answer
    x = 205,029.35

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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.