Home / 199,326.16-275,072.24-108,681.36

Finding the Fourth Proportional to 199,326.16, 275,072.24 and 108,681.36

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Solution

The fourth proportional to 199,326.16, 275,072.24 and 108,681.36 is: 149,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,326.16 : 275,072.24 = 108,681.36 : x
  2. Step 2: Convert to fraction form
    199,326.16/275,072.24 = 108,681.36/x
  3. Step 3: Cross multiply
    199,326.16x = 275,072.24 × 108,681.36
  4. Step 4: Simplify right side
    199,326.16x = 29,895,225,141.45
  5. Step 5: Solve for x
    x = 29,895,225,141.45/199,326.16
  6. Step 6: Final answer
    x = 149,981.44

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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.