Home / 235,376.09-324,812.10-127,943.36

Finding the Fourth Proportional to 235,376.09, 324,812.10 and 127,943.36

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Solution

The fourth proportional to 235,376.09, 324,812.10 and 127,943.36 is: 176,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,376.09 : 324,812.10 = 127,943.36 : x
  2. Step 2: Convert to fraction form
    235,376.09/324,812.10 = 127,943.36/x
  3. Step 3: Cross multiply
    235,376.09x = 324,812.10 × 127,943.36
  4. Step 4: Simplify right side
    235,376.09x = 41,557,551,442.66
  5. Step 5: Solve for x
    x = 41,557,551,442.66/235,376.09
  6. Step 6: Final answer
    x = 176,558.08

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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.