Home / 102,105.58-153,165.68-27,225.33

Finding the Fourth Proportional to 102,105.58, 153,165.68 and 27,225.33

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Solution

The fourth proportional to 102,105.58, 153,165.68 and 27,225.33 is: 40,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,105.58 : 153,165.68 = 27,225.33 : x
  2. Step 2: Convert to fraction form
    102,105.58/153,165.68 = 27,225.33/x
  3. Step 3: Cross multiply
    102,105.58x = 153,165.68 × 27,225.33
  4. Step 4: Simplify right side
    102,105.58x = 4,169,986,182.67
  5. Step 5: Solve for x
    x = 4,169,986,182.67/102,105.58
  6. Step 6: Final answer
    x = 40,839.95

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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.