Home / 103,184.13-154,776.44-28,305.36

Finding the Fourth Proportional to 103,184.13, 154,776.44 and 28,305.36

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Solution

The fourth proportional to 103,184.13, 154,776.44 and 28,305.36 is: 42,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,184.13 : 154,776.44 = 28,305.36 : x
  2. Step 2: Convert to fraction form
    103,184.13/154,776.44 = 28,305.36/x
  3. Step 3: Cross multiply
    103,184.13x = 154,776.44 × 28,305.36
  4. Step 4: Simplify right side
    103,184.13x = 4,381,002,712.19
  5. Step 5: Solve for x
    x = 4,381,002,712.19/103,184.13
  6. Step 6: Final answer
    x = 42,458.11

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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.