Home / 217,205.78-325,852.07-75,056.18

Finding the Fourth Proportional to 217,205.78, 325,852.07 and 75,056.18

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Solution

The fourth proportional to 217,205.78, 325,852.07 and 75,056.18 is: 112,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,205.78 : 325,852.07 = 75,056.18 : x
  2. Step 2: Convert to fraction form
    217,205.78/325,852.07 = 75,056.18/x
  3. Step 3: Cross multiply
    217,205.78x = 325,852.07 × 75,056.18
  4. Step 4: Simplify right side
    217,205.78x = 24,457,209,614.75
  5. Step 5: Solve for x
    x = 24,457,209,614.75/217,205.78
  6. Step 6: Final answer
    x = 112,599.26

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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.