Home / 106,218.16-146,579.88-58,470.46

Finding the Fourth Proportional to 106,218.16, 146,579.88 and 58,470.46

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Solution

The fourth proportional to 106,218.16, 146,579.88 and 58,470.46 is: 80,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,218.16 : 146,579.88 = 58,470.46 : x
  2. Step 2: Convert to fraction form
    106,218.16/146,579.88 = 58,470.46/x
  3. Step 3: Cross multiply
    106,218.16x = 146,579.88 × 58,470.46
  4. Step 4: Simplify right side
    106,218.16x = 8,570,593,010.34
  5. Step 5: Solve for x
    x = 8,570,593,010.34/106,218.16
  6. Step 6: Final answer
    x = 80,688.58

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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.