Home / 220,703.16-331,087.68-102,386.46

Finding the Fourth Proportional to 220,703.16, 331,087.68 and 102,386.46

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Solution

The fourth proportional to 220,703.16, 331,087.68 and 102,386.46 is: 153,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,703.16 : 331,087.68 = 102,386.46 : x
  2. Step 2: Convert to fraction form
    220,703.16/331,087.68 = 102,386.46/x
  3. Step 3: Cross multiply
    220,703.16x = 331,087.68 × 102,386.46
  4. Step 4: Simplify right side
    220,703.16x = 33,898,895,504.81
  5. Step 5: Solve for x
    x = 33,898,895,504.81/220,703.16
  6. Step 6: Final answer
    x = 153,594.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.