Home / 127,562.40-191,346.75-61,009.56

Finding the Fourth Proportional to 127,562.40, 191,346.75 and 61,009.56

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Solution

The fourth proportional to 127,562.40, 191,346.75 and 61,009.56 is: 91,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,562.40 : 191,346.75 = 61,009.56 : x
  2. Step 2: Convert to fraction form
    127,562.40/191,346.75 = 61,009.56/x
  3. Step 3: Cross multiply
    127,562.40x = 191,346.75 × 61,009.56
  4. Step 4: Simplify right side
    127,562.40x = 11,673,981,024.93
  5. Step 5: Solve for x
    x = 11,673,981,024.93/127,562.40
  6. Step 6: Final answer
    x = 91,515.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.