Home / 130,532.16-195,863.28-51,703.20

Finding the Fourth Proportional to 130,532.16, 195,863.28 and 51,703.20

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Solution

The fourth proportional to 130,532.16, 195,863.28 and 51,703.20 is: 77,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,532.16 : 195,863.28 = 51,703.20 : x
  2. Step 2: Convert to fraction form
    130,532.16/195,863.28 = 51,703.20/x
  3. Step 3: Cross multiply
    130,532.16x = 195,863.28 × 51,703.20
  4. Step 4: Simplify right side
    130,532.16x = 10,126,758,338.50
  5. Step 5: Solve for x
    x = 10,126,758,338.50/130,532.16
  6. Step 6: Final answer
    x = 77,580.56

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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.