Home / 103,166.94-154,740.04-28,294.62

Finding the Fourth Proportional to 103,166.94, 154,740.04 and 28,294.62

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Solution

The fourth proportional to 103,166.94, 154,740.04 and 28,294.62 is: 42,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,166.94 : 154,740.04 = 28,294.62 : x
  2. Step 2: Convert to fraction form
    103,166.94/154,740.04 = 28,294.62/x
  3. Step 3: Cross multiply
    103,166.94x = 154,740.04 × 28,294.62
  4. Step 4: Simplify right side
    103,166.94x = 4,378,309,715.41
  5. Step 5: Solve for x
    x = 4,378,309,715.41/103,166.94
  6. Step 6: Final answer
    x = 42,439.08

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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.