Home / 120,877.39-181,253.51-54,260.16

Finding the Fourth Proportional to 120,877.39, 181,253.51 and 54,260.16

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Solution

The fourth proportional to 120,877.39, 181,253.51 and 54,260.16 is: 81,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,877.39 : 181,253.51 = 54,260.16 : x
  2. Step 2: Convert to fraction form
    120,877.39/181,253.51 = 54,260.16/x
  3. Step 3: Cross multiply
    120,877.39x = 181,253.51 × 54,260.16
  4. Step 4: Simplify right side
    120,877.39x = 9,834,844,453.16
  5. Step 5: Solve for x
    x = 9,834,844,453.16/120,877.39
  6. Step 6: Final answer
    x = 81,362.15

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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.