Home / 185,299.22-255,728.67-155,031.14

Finding the Fourth Proportional to 185,299.22, 255,728.67 and 155,031.14

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Solution

The fourth proportional to 185,299.22, 255,728.67 and 155,031.14 is: 213,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,299.22 : 255,728.67 = 155,031.14 : x
  2. Step 2: Convert to fraction form
    185,299.22/255,728.67 = 155,031.14/x
  3. Step 3: Cross multiply
    185,299.22x = 255,728.67 × 155,031.14
  4. Step 4: Simplify right side
    185,299.22x = 39,645,907,240.78
  5. Step 5: Solve for x
    x = 39,645,907,240.78/185,299.22
  6. Step 6: Final answer
    x = 213,956.15

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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.