Home / 159,021.16-238,542.78-53,804.56

Finding the Fourth Proportional to 159,021.16, 238,542.78 and 53,804.56

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Solution

The fourth proportional to 159,021.16, 238,542.78 and 53,804.56 is: 80,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,021.16 : 238,542.78 = 53,804.56 : x
  2. Step 2: Convert to fraction form
    159,021.16/238,542.78 = 53,804.56/x
  3. Step 3: Cross multiply
    159,021.16x = 238,542.78 × 53,804.56
  4. Step 4: Simplify right side
    159,021.16x = 12,834,689,319.08
  5. Step 5: Solve for x
    x = 12,834,689,319.08/159,021.16
  6. Step 6: Final answer
    x = 80,710.58

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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.