Home / 109,705.20-164,557.78-26,599.20

Finding the Fourth Proportional to 109,705.20, 164,557.78 and 26,599.20

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Solution

The fourth proportional to 109,705.20, 164,557.78 and 26,599.20 is: 39,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,705.20 : 164,557.78 = 26,599.20 : x
  2. Step 2: Convert to fraction form
    109,705.20/164,557.78 = 26,599.20/x
  3. Step 3: Cross multiply
    109,705.20x = 164,557.78 × 26,599.20
  4. Step 4: Simplify right side
    109,705.20x = 4,377,105,301.78
  5. Step 5: Solve for x
    x = 4,377,105,301.78/109,705.20
  6. Step 6: Final answer
    x = 39,898.80

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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.