Home / 103,204.77-154,807.28-28,325.94

Finding the Fourth Proportional to 103,204.77, 154,807.28 and 28,325.94

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Solution

The fourth proportional to 103,204.77, 154,807.28 and 28,325.94 is: 42,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,204.77 : 154,807.28 = 28,325.94 : x
  2. Step 2: Convert to fraction form
    103,204.77/154,807.28 = 28,325.94/x
  3. Step 3: Cross multiply
    103,204.77x = 154,807.28 × 28,325.94
  4. Step 4: Simplify right side
    103,204.77x = 4,385,061,724.84
  5. Step 5: Solve for x
    x = 4,385,061,724.84/103,204.77
  6. Step 6: Final answer
    x = 42,488.94

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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.