Home / 202,559.04-279,534.40-111,917.10

Finding the Fourth Proportional to 202,559.04, 279,534.40 and 111,917.10

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Solution

The fourth proportional to 202,559.04, 279,534.40 and 111,917.10 is: 154,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,559.04 : 279,534.40 = 111,917.10 : x
  2. Step 2: Convert to fraction form
    202,559.04/279,534.40 = 111,917.10/x
  3. Step 3: Cross multiply
    202,559.04x = 279,534.40 × 111,917.10
  4. Step 4: Simplify right side
    202,559.04x = 31,284,679,398.24
  5. Step 5: Solve for x
    x = 31,284,679,398.24/202,559.04
  6. Step 6: Final answer
    x = 154,447.21

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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.