Home / 410,988.25-616,482.38-115,500.25

Finding the Fourth Proportional to 410,988.25, 616,482.38 and 115,500.25

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Solution

The fourth proportional to 410,988.25, 616,482.38 and 115,500.25 is: 173,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,988.25 : 616,482.38 = 115,500.25 : x
  2. Step 2: Convert to fraction form
    410,988.25/616,482.38 = 115,500.25/x
  3. Step 3: Cross multiply
    410,988.25x = 616,482.38 × 115,500.25
  4. Step 4: Simplify right side
    410,988.25x = 71,203,868,433.09
  5. Step 5: Solve for x
    x = 71,203,868,433.09/410,988.25
  6. Step 6: Final answer
    x = 173,250.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.