Home / 185,300.93-255,715.26-100,418.02

Finding the Fourth Proportional to 185,300.93, 255,715.26 and 100,418.02

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Solution

The fourth proportional to 185,300.93, 255,715.26 and 100,418.02 is: 138,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,300.93 : 255,715.26 = 100,418.02 : x
  2. Step 2: Convert to fraction form
    185,300.93/255,715.26 = 100,418.02/x
  3. Step 3: Cross multiply
    185,300.93x = 255,715.26 × 100,418.02
  4. Step 4: Simplify right side
    185,300.93x = 25,678,420,092.99
  5. Step 5: Solve for x
    x = 25,678,420,092.99/185,300.93
  6. Step 6: Final answer
    x = 138,576.85

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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.