Home / 217,114.10-325,660.35-111,943.70

Finding the Fourth Proportional to 217,114.10, 325,660.35 and 111,943.70

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Solution

The fourth proportional to 217,114.10, 325,660.35 and 111,943.70 is: 167,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,114.10 : 325,660.35 = 111,943.70 : x
  2. Step 2: Convert to fraction form
    217,114.10/325,660.35 = 111,943.70/x
  3. Step 3: Cross multiply
    217,114.10x = 325,660.35 × 111,943.70
  4. Step 4: Simplify right side
    217,114.10x = 36,455,624,522.30
  5. Step 5: Solve for x
    x = 36,455,624,522.30/217,114.10
  6. Step 6: Final answer
    x = 167,909.98

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1.5x scale

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.