Home / 130,436.90-195,629.70-41,666.48

Finding the Fourth Proportional to 130,436.90, 195,629.70 and 41,666.48

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Solution

The fourth proportional to 130,436.90, 195,629.70 and 41,666.48 is: 62,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,436.90 : 195,629.70 = 41,666.48 : x
  2. Step 2: Convert to fraction form
    130,436.90/195,629.70 = 41,666.48/x
  3. Step 3: Cross multiply
    130,436.90x = 195,629.70 × 41,666.48
  4. Step 4: Simplify right side
    130,436.90x = 8,151,200,982.46
  5. Step 5: Solve for x
    x = 8,151,200,982.46/130,436.90
  6. Step 6: Final answer
    x = 62,491.53

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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.