Home / 220,904.19-331,349.67-60,989.87

Finding the Fourth Proportional to 220,904.19, 331,349.67 and 60,989.87

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Solution

The fourth proportional to 220,904.19, 331,349.67 and 60,989.87 is: 91,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,904.19 : 331,349.67 = 60,989.87 : x
  2. Step 2: Convert to fraction form
    220,904.19/331,349.67 = 60,989.87/x
  3. Step 3: Cross multiply
    220,904.19x = 331,349.67 × 60,989.87
  4. Step 4: Simplify right side
    220,904.19x = 20,208,971,641.09
  5. Step 5: Solve for x
    x = 20,208,971,641.09/220,904.19
  6. Step 6: Final answer
    x = 91,482.97

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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.