Home / 102,852.90-154,240.20-36,280.62

Finding the Fourth Proportional to 102,852.90, 154,240.20 and 36,280.62

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Solution

The fourth proportional to 102,852.90, 154,240.20 and 36,280.62 is: 54,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,852.90 : 154,240.20 = 36,280.62 : x
  2. Step 2: Convert to fraction form
    102,852.90/154,240.20 = 36,280.62/x
  3. Step 3: Cross multiply
    102,852.90x = 154,240.20 × 36,280.62
  4. Step 4: Simplify right side
    102,852.90x = 5,595,930,084.92
  5. Step 5: Solve for x
    x = 5,595,930,084.92/102,852.90
  6. Step 6: Final answer
    x = 54,407.12

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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.