Home / 130,392.12-195,578.46-41,655

Finding the Fourth Proportional to 130,392.12, 195,578.46 and 41,655

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Solution

The fourth proportional to 130,392.12, 195,578.46 and 41,655 is: 62,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392.12 : 195,578.46 = 41,655 : x
  2. Step 2: Convert to fraction form
    130,392.12/195,578.46 = 41,655/x
  3. Step 3: Cross multiply
    130,392.12x = 195,578.46 × 41,655
  4. Step 4: Simplify right side
    130,392.12x = 8,146,820,751.30
  5. Step 5: Solve for x
    x = 8,146,820,751.30/130,392.12
  6. Step 6: Final answer
    x = 62,479.39

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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.