Home / 202,561.13-279,534.36-113,137.13

Finding the Fourth Proportional to 202,561.13, 279,534.36 and 113,137.13

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Solution

The fourth proportional to 202,561.13, 279,534.36 and 113,137.13 is: 156,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,561.13 : 279,534.36 = 113,137.13 : x
  2. Step 2: Convert to fraction form
    202,561.13/279,534.36 = 113,137.13/x
  3. Step 3: Cross multiply
    202,561.13x = 279,534.36 × 113,137.13
  4. Step 4: Simplify right side
    202,561.13x = 31,625,713,829.12
  5. Step 5: Solve for x
    x = 31,625,713,829.12/202,561.13
  6. Step 6: Final answer
    x = 156,129.24

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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.