Home / 202,242.24-279,007.20-126,776.16

Finding the Fourth Proportional to 202,242.24, 279,007.20 and 126,776.16

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Solution

The fourth proportional to 202,242.24, 279,007.20 and 126,776.16 is: 174,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,242.24 : 279,007.20 = 126,776.16 : x
  2. Step 2: Convert to fraction form
    202,242.24/279,007.20 = 126,776.16/x
  3. Step 3: Cross multiply
    202,242.24x = 279,007.20 × 126,776.16
  4. Step 4: Simplify right side
    202,242.24x = 35,371,461,428.35
  5. Step 5: Solve for x
    x = 35,371,461,428.35/202,242.24
  6. Step 6: Final answer
    x = 174,896.51

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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.