Home / 269,479.04-371,876-148,631.36

Finding the Fourth Proportional to 269,479.04, 371,876 and 148,631.36

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Solution

The fourth proportional to 269,479.04, 371,876 and 148,631.36 is: 205,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,479.04 : 371,876 = 148,631.36 : x
  2. Step 2: Convert to fraction form
    269,479.04/371,876 = 148,631.36/x
  3. Step 3: Cross multiply
    269,479.04x = 371,876 × 148,631.36
  4. Step 4: Simplify right side
    269,479.04x = 55,272,435,631.36
  5. Step 5: Solve for x
    x = 55,272,435,631.36/269,479.04
  6. Step 6: Final answer
    x = 205,108.48

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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.