Home / 315,152.73-472,733.19-104,790.66

Finding the Fourth Proportional to 315,152.73, 472,733.19 and 104,790.66

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Solution

The fourth proportional to 315,152.73, 472,733.19 and 104,790.66 is: 157,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,152.73 : 472,733.19 = 104,790.66 : x
  2. Step 2: Convert to fraction form
    315,152.73/472,733.19 = 104,790.66/x
  3. Step 3: Cross multiply
    315,152.73x = 472,733.19 × 104,790.66
  4. Step 4: Simplify right side
    315,152.73x = 49,538,022,984.01
  5. Step 5: Solve for x
    x = 49,538,022,984.01/315,152.73
  6. Step 6: Final answer
    x = 157,187.35

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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.