Home / 192,931.49-266,197.37-111,284.71

Finding the Fourth Proportional to 192,931.49, 266,197.37 and 111,284.71

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Solution

The fourth proportional to 192,931.49, 266,197.37 and 111,284.71 is: 153,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,931.49 : 266,197.37 = 111,284.71 : x
  2. Step 2: Convert to fraction form
    192,931.49/266,197.37 = 111,284.71/x
  3. Step 3: Cross multiply
    192,931.49x = 266,197.37 × 111,284.71
  4. Step 4: Simplify right side
    192,931.49x = 29,623,695,901.30
  5. Step 5: Solve for x
    x = 29,623,695,901.30/192,931.49
  6. Step 6: Final answer
    x = 153,545.15

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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.