Home / 220,968.10-331,567.35-96,321.70

Finding the Fourth Proportional to 220,968.10, 331,567.35 and 96,321.70

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Solution

The fourth proportional to 220,968.10, 331,567.35 and 96,321.70 is: 144,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,968.10 : 331,567.35 = 96,321.70 : x
  2. Step 2: Convert to fraction form
    220,968.10/331,567.35 = 96,321.70/x
  3. Step 3: Cross multiply
    220,968.10x = 331,567.35 × 96,321.70
  4. Step 4: Simplify right side
    220,968.10x = 31,937,130,816.50
  5. Step 5: Solve for x
    x = 31,937,130,816.50/220,968.10
  6. Step 6: Final answer
    x = 144,532.77

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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.