Home / 131,762.48-181,833.66-71,334.41

Finding the Fourth Proportional to 131,762.48, 181,833.66 and 71,334.41

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Solution

The fourth proportional to 131,762.48, 181,833.66 and 71,334.41 is: 98,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,762.48 : 181,833.66 = 71,334.41 : x
  2. Step 2: Convert to fraction form
    131,762.48/181,833.66 = 71,334.41/x
  3. Step 3: Cross multiply
    131,762.48x = 181,833.66 × 71,334.41
  4. Step 4: Simplify right side
    131,762.48x = 12,970,995,945.07
  5. Step 5: Solve for x
    x = 12,970,995,945.07/131,762.48
  6. Step 6: Final answer
    x = 98,442.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.