Home / 130,076.16-195,114.29-36,581.91

Finding the Fourth Proportional to 130,076.16, 195,114.29 and 36,581.91

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Solution

The fourth proportional to 130,076.16, 195,114.29 and 36,581.91 is: 54,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,076.16 : 195,114.29 = 36,581.91 : x
  2. Step 2: Convert to fraction form
    130,076.16/195,114.29 = 36,581.91/x
  3. Step 3: Cross multiply
    130,076.16x = 195,114.29 × 36,581.91
  4. Step 4: Simplify right side
    130,076.16x = 7,137,653,396.49
  5. Step 5: Solve for x
    x = 7,137,653,396.49/130,076.16
  6. Step 6: Final answer
    x = 54,872.88

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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.