Home / 130,290.39-195,433.53-41,543.30

Finding the Fourth Proportional to 130,290.39, 195,433.53 and 41,543.30

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Solution

The fourth proportional to 130,290.39, 195,433.53 and 41,543.30 is: 62,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,290.39 : 195,433.53 = 41,543.30 : x
  2. Step 2: Convert to fraction form
    130,290.39/195,433.53 = 41,543.30/x
  3. Step 3: Cross multiply
    130,290.39x = 195,433.53 × 41,543.30
  4. Step 4: Simplify right side
    130,290.39x = 8,118,953,766.85
  5. Step 5: Solve for x
    x = 8,118,953,766.85/130,290.39
  6. Step 6: Final answer
    x = 62,314.29

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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.