Home / 109,114.33-163,522.18-82,438.39

Finding the Fourth Proportional to 109,114.33, 163,522.18 and 82,438.39

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Solution

The fourth proportional to 109,114.33, 163,522.18 and 82,438.39 is: 123,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,114.33 : 163,522.18 = 82,438.39 : x
  2. Step 2: Convert to fraction form
    109,114.33/163,522.18 = 82,438.39/x
  3. Step 3: Cross multiply
    109,114.33x = 163,522.18 × 82,438.39
  4. Step 4: Simplify right side
    109,114.33x = 13,480,505,248.49
  5. Step 5: Solve for x
    x = 13,480,505,248.49/109,114.33
  6. Step 6: Final answer
    x = 123,544.77

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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.