Home / 185,267.10-255,668.76-100,384.17

Finding the Fourth Proportional to 185,267.10, 255,668.76 and 100,384.17

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Solution

The fourth proportional to 185,267.10, 255,668.76 and 100,384.17 is: 138,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,267.10 : 255,668.76 = 100,384.17 : x
  2. Step 2: Convert to fraction form
    185,267.10/255,668.76 = 100,384.17/x
  3. Step 3: Cross multiply
    185,267.10x = 255,668.76 × 100,384.17
  4. Step 4: Simplify right side
    185,267.10x = 25,665,096,267.53
  5. Step 5: Solve for x
    x = 25,665,096,267.53/185,267.10
  6. Step 6: Final answer
    x = 138,530.24

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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.