Home / 109,482.40-164,223.60-91,767.70

Finding the Fourth Proportional to 109,482.40, 164,223.60 and 91,767.70

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Solution

The fourth proportional to 109,482.40, 164,223.60 and 91,767.70 is: 137,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,482.40 : 164,223.60 = 91,767.70 : x
  2. Step 2: Convert to fraction form
    109,482.40/164,223.60 = 91,767.70/x
  3. Step 3: Cross multiply
    109,482.40x = 164,223.60 × 91,767.70
  4. Step 4: Simplify right side
    109,482.40x = 15,070,422,057.72
  5. Step 5: Solve for x
    x = 15,070,422,057.72/109,482.40
  6. Step 6: Final answer
    x = 137,651.55

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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.