Home / 130,523.36-195,872.51-83,809.04

Finding the Fourth Proportional to 130,523.36, 195,872.51 and 83,809.04

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Solution

The fourth proportional to 130,523.36, 195,872.51 and 83,809.04 is: 125,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,523.36 : 195,872.51 = 83,809.04 : x
  2. Step 2: Convert to fraction form
    130,523.36/195,872.51 = 83,809.04/x
  3. Step 3: Cross multiply
    130,523.36x = 195,872.51 × 83,809.04
  4. Step 4: Simplify right side
    130,523.36x = 16,415,886,255.65
  5. Step 5: Solve for x
    x = 16,415,886,255.65/130,523.36
  6. Step 6: Final answer
    x = 125,769.72

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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.