Home / 102,674.16-154,016.68-28,807.92

Finding the Fourth Proportional to 102,674.16, 154,016.68 and 28,807.92

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Solution

The fourth proportional to 102,674.16, 154,016.68 and 28,807.92 is: 43,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,674.16 : 154,016.68 = 28,807.92 : x
  2. Step 2: Convert to fraction form
    102,674.16/154,016.68 = 28,807.92/x
  3. Step 3: Cross multiply
    102,674.16x = 154,016.68 × 28,807.92
  4. Step 4: Simplify right side
    102,674.16x = 4,436,900,196.11
  5. Step 5: Solve for x
    x = 4,436,900,196.11/102,674.16
  6. Step 6: Final answer
    x = 43,213.41

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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.