Home / 130,434.40-195,625.95-41,663.98

Finding the Fourth Proportional to 130,434.40, 195,625.95 and 41,663.98

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Solution

The fourth proportional to 130,434.40, 195,625.95 and 41,663.98 is: 62,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,434.40 : 195,625.95 = 41,663.98 : x
  2. Step 2: Convert to fraction form
    130,434.40/195,625.95 = 41,663.98/x
  3. Step 3: Cross multiply
    130,434.40x = 195,625.95 × 41,663.98
  4. Step 4: Simplify right side
    130,434.40x = 8,150,555,668.28
  5. Step 5: Solve for x
    x = 8,150,555,668.28/130,434.40
  6. Step 6: Final answer
    x = 62,487.78

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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.