Home / 105,914.28-146,164.25-58,168.65

Finding the Fourth Proportional to 105,914.28, 146,164.25 and 58,168.65

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Solution

The fourth proportional to 105,914.28, 146,164.25 and 58,168.65 is: 80,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,914.28 : 146,164.25 = 58,168.65 : x
  2. Step 2: Convert to fraction form
    105,914.28/146,164.25 = 58,168.65/x
  3. Step 3: Cross multiply
    105,914.28x = 146,164.25 × 58,168.65
  4. Step 4: Simplify right side
    105,914.28x = 8,502,177,246.18
  5. Step 5: Solve for x
    x = 8,502,177,246.18/105,914.28
  6. Step 6: Final answer
    x = 80,274.14

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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.