Home / 120,881.01-181,274.49-40,897.56

Finding the Fourth Proportional to 120,881.01, 181,274.49 and 40,897.56

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Solution

The fourth proportional to 120,881.01, 181,274.49 and 40,897.56 is: 61,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,881.01 : 181,274.49 = 40,897.56 : x
  2. Step 2: Convert to fraction form
    120,881.01/181,274.49 = 40,897.56/x
  3. Step 3: Cross multiply
    120,881.01x = 181,274.49 × 40,897.56
  4. Step 4: Simplify right side
    120,881.01x = 7,413,684,331.24
  5. Step 5: Solve for x
    x = 7,413,684,331.24/120,881.01
  6. Step 6: Final answer
    x = 61,330.43

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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.