Home / 202,510.98-279,464.04-111,873.18

Finding the Fourth Proportional to 202,510.98, 279,464.04 and 111,873.18

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Solution

The fourth proportional to 202,510.98, 279,464.04 and 111,873.18 is: 154,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,510.98 : 279,464.04 = 111,873.18 : x
  2. Step 2: Convert to fraction form
    202,510.98/279,464.04 = 111,873.18/x
  3. Step 3: Cross multiply
    202,510.98x = 279,464.04 × 111,873.18
  4. Step 4: Simplify right side
    202,510.98x = 31,264,530,850.45
  5. Step 5: Solve for x
    x = 31,264,530,850.45/202,510.98
  6. Step 6: Final answer
    x = 154,384.37

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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.