Home / 147,630.46-203,741.31-83,964.46

Finding the Fourth Proportional to 147,630.46, 203,741.31 and 83,964.46

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Solution

The fourth proportional to 147,630.46, 203,741.31 and 83,964.46 is: 115,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,630.46 : 203,741.31 = 83,964.46 : x
  2. Step 2: Convert to fraction form
    147,630.46/203,741.31 = 83,964.46/x
  3. Step 3: Cross multiply
    147,630.46x = 203,741.31 × 83,964.46
  4. Step 4: Simplify right side
    147,630.46x = 17,107,029,073.84
  5. Step 5: Solve for x
    x = 17,107,029,073.84/147,630.46
  6. Step 6: Final answer
    x = 115,877.37

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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.