Home / 131,825.48-181,915.27-74,467.49

Finding the Fourth Proportional to 131,825.48, 181,915.27 and 74,467.49

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Solution

The fourth proportional to 131,825.48, 181,915.27 and 74,467.49 is: 102,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.48 : 181,915.27 = 74,467.49 : x
  2. Step 2: Convert to fraction form
    131,825.48/181,915.27 = 74,467.49/x
  3. Step 3: Cross multiply
    131,825.48x = 181,915.27 × 74,467.49
  4. Step 4: Simplify right side
    131,825.48x = 13,546,772,453.83
  5. Step 5: Solve for x
    x = 13,546,772,453.83/131,825.48
  6. Step 6: Final answer
    x = 102,762.93

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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.