Home / 106,138.92-146,470.56-58,392.30

Finding the Fourth Proportional to 106,138.92, 146,470.56 and 58,392.30

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Solution

The fourth proportional to 106,138.92, 146,470.56 and 58,392.30 is: 80,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,138.92 : 146,470.56 = 58,392.30 : x
  2. Step 2: Convert to fraction form
    106,138.92/146,470.56 = 58,392.30/x
  3. Step 3: Cross multiply
    106,138.92x = 146,470.56 × 58,392.30
  4. Step 4: Simplify right side
    106,138.92x = 8,552,752,880.69
  5. Step 5: Solve for x
    x = 8,552,752,880.69/106,138.92
  6. Step 6: Final answer
    x = 80,580.74

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1.5x scale

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.