Home / 130,606.70-195,756.96-60,338.40

Finding the Fourth Proportional to 130,606.70, 195,756.96 and 60,338.40

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Solution

The fourth proportional to 130,606.70, 195,756.96 and 60,338.40 is: 90,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,606.70 : 195,756.96 = 60,338.40 : x
  2. Step 2: Convert to fraction form
    130,606.70/195,756.96 = 60,338.40/x
  3. Step 3: Cross multiply
    130,606.70x = 195,756.96 × 60,338.40
  4. Step 4: Simplify right side
    130,606.70x = 11,811,661,755.26
  5. Step 5: Solve for x
    x = 11,811,661,755.26/130,606.70
  6. Step 6: Final answer
    x = 90,436.87

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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.