Home / 202,226.58-279,070.92-111,583.26

Finding the Fourth Proportional to 202,226.58, 279,070.92 and 111,583.26

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Solution

The fourth proportional to 202,226.58, 279,070.92 and 111,583.26 is: 153,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,226.58 : 279,070.92 = 111,583.26 : x
  2. Step 2: Convert to fraction form
    202,226.58/279,070.92 = 111,583.26/x
  3. Step 3: Cross multiply
    202,226.58x = 279,070.92 × 111,583.26
  4. Step 4: Simplify right side
    202,226.58x = 31,139,643,024.80
  5. Step 5: Solve for x
    x = 31,139,643,024.80/202,226.58
  6. Step 6: Final answer
    x = 153,983.93

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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.