Home / 130,315-195,483.48-41,581.12

Finding the Fourth Proportional to 130,315, 195,483.48 and 41,581.12

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Solution

The fourth proportional to 130,315, 195,483.48 and 41,581.12 is: 62,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,315 : 195,483.48 = 41,581.12 : x
  2. Step 2: Convert to fraction form
    130,315/195,483.48 = 41,581.12/x
  3. Step 3: Cross multiply
    130,315x = 195,483.48 × 41,581.12
  4. Step 4: Simplify right side
    130,315x = 8,128,422,039.90
  5. Step 5: Solve for x
    x = 8,128,422,039.90/130,315
  6. Step 6: Final answer
    x = 62,375.18

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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.