Home / 192,765.56-266,044.40-111,077.91

Finding the Fourth Proportional to 192,765.56, 266,044.40 and 111,077.91

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Solution

The fourth proportional to 192,765.56, 266,044.40 and 111,077.91 is: 153,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,765.56 : 266,044.40 = 111,077.91 : x
  2. Step 2: Convert to fraction form
    192,765.56/266,044.40 = 111,077.91/x
  3. Step 3: Cross multiply
    192,765.56x = 266,044.40 × 111,077.91
  4. Step 4: Simplify right side
    192,765.56x = 29,551,655,363.81
  5. Step 5: Solve for x
    x = 29,551,655,363.81/192,765.56
  6. Step 6: Final answer
    x = 153,303.61

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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.