Home / 192,971.24-266,320.02-111,302.72

Finding the Fourth Proportional to 192,971.24, 266,320.02 and 111,302.72

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Solution

The fourth proportional to 192,971.24, 266,320.02 and 111,302.72 is: 153,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,971.24 : 266,320.02 = 111,302.72 : x
  2. Step 2: Convert to fraction form
    192,971.24/266,320.02 = 111,302.72/x
  3. Step 3: Cross multiply
    192,971.24x = 266,320.02 × 111,302.72
  4. Step 4: Simplify right side
    192,971.24x = 29,642,142,616.45
  5. Step 5: Solve for x
    x = 29,642,142,616.45/192,971.24
  6. Step 6: Final answer
    x = 153,609.12

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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.