Home / 235,061.36-324,390.31-127,635.92

Finding the Fourth Proportional to 235,061.36, 324,390.31 and 127,635.92

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Solution

The fourth proportional to 235,061.36, 324,390.31 and 127,635.92 is: 176,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,061.36 : 324,390.31 = 127,635.92 : x
  2. Step 2: Convert to fraction form
    235,061.36/324,390.31 = 127,635.92/x
  3. Step 3: Cross multiply
    235,061.36x = 324,390.31 × 127,635.92
  4. Step 4: Simplify right side
    235,061.36x = 41,403,855,655.94
  5. Step 5: Solve for x
    x = 41,403,855,655.94/235,061.36
  6. Step 6: Final answer
    x = 176,140.63

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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.