Home / 130,305.45-195,499.67-58,247.31

Finding the Fourth Proportional to 130,305.45, 195,499.67 and 58,247.31

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Solution

The fourth proportional to 130,305.45, 195,499.67 and 58,247.31 is: 87,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,305.45 : 195,499.67 = 58,247.31 : x
  2. Step 2: Convert to fraction form
    130,305.45/195,499.67 = 58,247.31/x
  3. Step 3: Cross multiply
    130,305.45x = 195,499.67 × 58,247.31
  4. Step 4: Simplify right side
    130,305.45x = 11,387,329,592.15
  5. Step 5: Solve for x
    x = 11,387,329,592.15/130,305.45
  6. Step 6: Final answer
    x = 87,389.51

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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.