Home / 315,073.24-472,471.62-117,943

Finding the Fourth Proportional to 315,073.24, 472,471.62 and 117,943

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Solution

The fourth proportional to 315,073.24, 472,471.62 and 117,943 is: 176,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,073.24 : 472,471.62 = 117,943 : x
  2. Step 2: Convert to fraction form
    315,073.24/472,471.62 = 117,943/x
  3. Step 3: Cross multiply
    315,073.24x = 472,471.62 × 117,943
  4. Step 4: Simplify right side
    315,073.24x = 55,724,720,277.66
  5. Step 5: Solve for x
    x = 55,724,720,277.66/315,073.24
  6. Step 6: Final answer
    x = 176,862.75

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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.