Home / 382,499.16-527,838.26-208,063.57

Finding the Fourth Proportional to 382,499.16, 527,838.26 and 208,063.57

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Solution

The fourth proportional to 382,499.16, 527,838.26 and 208,063.57 is: 287,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,499.16 : 527,838.26 = 208,063.57 : x
  2. Step 2: Convert to fraction form
    382,499.16/527,838.26 = 208,063.57/x
  3. Step 3: Cross multiply
    382,499.16x = 527,838.26 × 208,063.57
  4. Step 4: Simplify right side
    382,499.16x = 109,823,912,758.19
  5. Step 5: Solve for x
    x = 109,823,912,758.19/382,499.16
  6. Step 6: Final answer
    x = 287,121.97

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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.