Home / 315,243.90-472,941.18-104,883.66

Finding the Fourth Proportional to 315,243.90, 472,941.18 and 104,883.66

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Solution

The fourth proportional to 315,243.90, 472,941.18 and 104,883.66 is: 157,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,243.90 : 472,941.18 = 104,883.66 : x
  2. Step 2: Convert to fraction form
    315,243.90/472,941.18 = 104,883.66/x
  3. Step 3: Cross multiply
    315,243.90x = 472,941.18 × 104,883.66
  4. Step 4: Simplify right side
    315,243.90x = 49,603,801,923.12
  5. Step 5: Solve for x
    x = 49,603,801,923.12/315,243.90
  6. Step 6: Final answer
    x = 157,350.55

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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.