Home / 235,415.45-324,876.06-127,983.12

Finding the Fourth Proportional to 235,415.45, 324,876.06 and 127,983.12

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Solution

The fourth proportional to 235,415.45, 324,876.06 and 127,983.12 is: 176,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,415.45 : 324,876.06 = 127,983.12 : x
  2. Step 2: Convert to fraction form
    235,415.45/324,876.06 = 127,983.12/x
  3. Step 3: Cross multiply
    235,415.45x = 324,876.06 × 127,983.12
  4. Step 4: Simplify right side
    235,415.45x = 41,578,651,772.11
  5. Step 5: Solve for x
    x = 41,578,651,772.11/235,415.45
  6. Step 6: Final answer
    x = 176,618.19

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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.