Home / 130,420.47-195,614.37-41,666.61

Finding the Fourth Proportional to 130,420.47, 195,614.37 and 41,666.61

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Solution

The fourth proportional to 130,420.47, 195,614.37 and 41,666.61 is: 62,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,420.47 : 195,614.37 = 41,666.61 : x
  2. Step 2: Convert to fraction form
    130,420.47/195,614.37 = 41,666.61/x
  3. Step 3: Cross multiply
    130,420.47x = 195,614.37 × 41,666.61
  4. Step 4: Simplify right side
    130,420.47x = 8,150,587,665.19
  5. Step 5: Solve for x
    x = 8,150,587,665.19/130,420.47
  6. Step 6: Final answer
    x = 62,494.70

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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.