Home / 130,314.16-195,529.56-74,910.16

Finding the Fourth Proportional to 130,314.16, 195,529.56 and 74,910.16

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Solution

The fourth proportional to 130,314.16, 195,529.56 and 74,910.16 is: 112,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,314.16 : 195,529.56 = 74,910.16 : x
  2. Step 2: Convert to fraction form
    130,314.16/195,529.56 = 74,910.16/x
  3. Step 3: Cross multiply
    130,314.16x = 195,529.56 × 74,910.16
  4. Step 4: Simplify right side
    130,314.16x = 14,647,150,624.33
  5. Step 5: Solve for x
    x = 14,647,150,624.33/130,314.16
  6. Step 6: Final answer
    x = 112,398.76

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1.5x scale

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.