Home / 189,744.06-284,616.06-77,477.15

Finding the Fourth Proportional to 189,744.06, 284,616.06 and 77,477.15

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Solution

The fourth proportional to 189,744.06, 284,616.06 and 77,477.15 is: 116,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,744.06 : 284,616.06 = 77,477.15 : x
  2. Step 2: Convert to fraction form
    189,744.06/284,616.06 = 77,477.15/x
  3. Step 3: Cross multiply
    189,744.06x = 284,616.06 × 77,477.15
  4. Step 4: Simplify right side
    189,744.06x = 22,051,241,173.03
  5. Step 5: Solve for x
    x = 22,051,241,173.03/189,744.06
  6. Step 6: Final answer
    x = 116,215.71

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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.