Home / 159,784.20-239,682.36-53,177.64

Finding the Fourth Proportional to 159,784.20, 239,682.36 and 53,177.64

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Solution

The fourth proportional to 159,784.20, 239,682.36 and 53,177.64 is: 79,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,784.20 : 239,682.36 = 53,177.64 : x
  2. Step 2: Convert to fraction form
    159,784.20/239,682.36 = 53,177.64/x
  3. Step 3: Cross multiply
    159,784.20x = 239,682.36 × 53,177.64
  4. Step 4: Simplify right side
    159,784.20x = 12,745,742,254.43
  5. Step 5: Solve for x
    x = 12,745,742,254.43/159,784.20
  6. Step 6: Final answer
    x = 79,768.48

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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.