Home / 148,255.02-204,577.83-87,825.78

Finding the Fourth Proportional to 148,255.02, 204,577.83 and 87,825.78

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Solution

The fourth proportional to 148,255.02, 204,577.83 and 87,825.78 is: 121,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,255.02 : 204,577.83 = 87,825.78 : x
  2. Step 2: Convert to fraction form
    148,255.02/204,577.83 = 87,825.78/x
  3. Step 3: Cross multiply
    148,255.02x = 204,577.83 × 87,825.78
  4. Step 4: Simplify right side
    148,255.02x = 17,967,207,490.46
  5. Step 5: Solve for x
    x = 17,967,207,490.46/148,255.02
  6. Step 6: Final answer
    x = 121,191.23

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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.