Home / 147,732.36-203,870.88-80,664.36

Finding the Fourth Proportional to 147,732.36, 203,870.88 and 80,664.36

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Solution

The fourth proportional to 147,732.36, 203,870.88 and 80,664.36 is: 111,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,732.36 : 203,870.88 = 80,664.36 : x
  2. Step 2: Convert to fraction form
    147,732.36/203,870.88 = 80,664.36/x
  3. Step 3: Cross multiply
    147,732.36x = 203,870.88 × 80,664.36
  4. Step 4: Simplify right side
    147,732.36x = 16,445,114,057.84
  5. Step 5: Solve for x
    x = 16,445,114,057.84/147,732.36
  6. Step 6: Final answer
    x = 111,316.94

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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.