Home / 147,630.96-203,727.09-83,964.69

Finding the Fourth Proportional to 147,630.96, 203,727.09 and 83,964.69

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Solution

The fourth proportional to 147,630.96, 203,727.09 and 83,964.69 is: 115,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,630.96 : 203,727.09 = 83,964.69 : x
  2. Step 2: Convert to fraction form
    147,630.96/203,727.09 = 83,964.69/x
  3. Step 3: Cross multiply
    147,630.96x = 203,727.09 × 83,964.69
  4. Step 4: Simplify right side
    147,630.96x = 17,105,881,956.45
  5. Step 5: Solve for x
    x = 17,105,881,956.45/147,630.96
  6. Step 6: Final answer
    x = 115,869.20

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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.