Home / 189,853.47-284,639.60-114,956.01

Finding the Fourth Proportional to 189,853.47, 284,639.60 and 114,956.01

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Solution

The fourth proportional to 189,853.47, 284,639.60 and 114,956.01 is: 172,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,853.47 : 284,639.60 = 114,956.01 : x
  2. Step 2: Convert to fraction form
    189,853.47/284,639.60 = 114,956.01/x
  3. Step 3: Cross multiply
    189,853.47x = 284,639.60 × 114,956.01
  4. Step 4: Simplify right side
    189,853.47x = 32,721,032,991.39
  5. Step 5: Solve for x
    x = 32,721,032,991.39/189,853.47
  6. Step 6: Final answer
    x = 172,348.88

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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.