Home / 292,719.75-403,930.94-177,982.45

Finding the Fourth Proportional to 292,719.75, 403,930.94 and 177,982.45

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Solution

The fourth proportional to 292,719.75, 403,930.94 and 177,982.45 is: 245,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,719.75 : 403,930.94 = 177,982.45 : x
  2. Step 2: Convert to fraction form
    292,719.75/403,930.94 = 177,982.45/x
  3. Step 3: Cross multiply
    292,719.75x = 403,930.94 × 177,982.45
  4. Step 4: Simplify right side
    292,719.75x = 71,892,618,332.00
  5. Step 5: Solve for x
    x = 71,892,618,332.00/292,719.75
  6. Step 6: Final answer
    x = 245,602.21

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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.