Home / 130,605.35-195,780.80-67,496.69

Finding the Fourth Proportional to 130,605.35, 195,780.80 and 67,496.69

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Solution

The fourth proportional to 130,605.35, 195,780.80 and 67,496.69 is: 101,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,605.35 : 195,780.80 = 67,496.69 : x
  2. Step 2: Convert to fraction form
    130,605.35/195,780.80 = 67,496.69/x
  3. Step 3: Cross multiply
    130,605.35x = 195,780.80 × 67,496.69
  4. Step 4: Simplify right side
    130,605.35x = 13,214,554,649.16
  5. Step 5: Solve for x
    x = 13,214,554,649.16/130,605.35
  6. Step 6: Final answer
    x = 101,179.28

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1.5x scale

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.