Home / 108,934.24-150,332.88-61,196.80

Finding the Fourth Proportional to 108,934.24, 150,332.88 and 61,196.80

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Solution

The fourth proportional to 108,934.24, 150,332.88 and 61,196.80 is: 84,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,934.24 : 150,332.88 = 61,196.80 : x
  2. Step 2: Convert to fraction form
    108,934.24/150,332.88 = 61,196.80/x
  3. Step 3: Cross multiply
    108,934.24x = 150,332.88 × 61,196.80
  4. Step 4: Simplify right side
    108,934.24x = 9,199,891,190.78
  5. Step 5: Solve for x
    x = 9,199,891,190.78/108,934.24
  6. Step 6: Final answer
    x = 84,453.62

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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.