Home / 292,720.75-403,932.32-177,983.45

Finding the Fourth Proportional to 292,720.75, 403,932.32 and 177,983.45

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Solution

The fourth proportional to 292,720.75, 403,932.32 and 177,983.45 is: 245,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,720.75 : 403,932.32 = 177,983.45 : x
  2. Step 2: Convert to fraction form
    292,720.75/403,932.32 = 177,983.45/x
  3. Step 3: Cross multiply
    292,720.75x = 403,932.32 × 177,983.45
  4. Step 4: Simplify right side
    292,720.75x = 71,893,267,880.10
  5. Step 5: Solve for x
    x = 71,893,267,880.10/292,720.75
  6. Step 6: Final answer
    x = 245,603.59

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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.