Home / 189,824.76-284,629.30-77,373.26

Finding the Fourth Proportional to 189,824.76, 284,629.30 and 77,373.26

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Solution

The fourth proportional to 189,824.76, 284,629.30 and 77,373.26 is: 116,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,824.76 : 284,629.30 = 77,373.26 : x
  2. Step 2: Convert to fraction form
    189,824.76/284,629.30 = 77,373.26/x
  3. Step 3: Cross multiply
    189,824.76x = 284,629.30 × 77,373.26
  4. Step 4: Simplify right side
    189,824.76x = 22,022,696,832.52
  5. Step 5: Solve for x
    x = 22,022,696,832.52/189,824.76
  6. Step 6: Final answer
    x = 116,015.93

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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.