Home / 202,488.46-279,422.66-126,005.22

Finding the Fourth Proportional to 202,488.46, 279,422.66 and 126,005.22

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Solution

The fourth proportional to 202,488.46, 279,422.66 and 126,005.22 is: 173,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,488.46 : 279,422.66 = 126,005.22 : x
  2. Step 2: Convert to fraction form
    202,488.46/279,422.66 = 126,005.22/x
  3. Step 3: Cross multiply
    202,488.46x = 279,422.66 × 126,005.22
  4. Step 4: Simplify right side
    202,488.46x = 35,208,714,061.30
  5. Step 5: Solve for x
    x = 35,208,714,061.30/202,488.46
  6. Step 6: Final answer
    x = 173,880.10

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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.