Home / 147,174.86-220,629.18-53,658.74

Finding the Fourth Proportional to 147,174.86, 220,629.18 and 53,658.74

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Solution

The fourth proportional to 147,174.86, 220,629.18 and 53,658.74 is: 80,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,174.86 : 220,629.18 = 53,658.74 : x
  2. Step 2: Convert to fraction form
    147,174.86/220,629.18 = 53,658.74/x
  3. Step 3: Cross multiply
    147,174.86x = 220,629.18 × 53,658.74
  4. Step 4: Simplify right side
    147,174.86x = 11,838,683,806.03
  5. Step 5: Solve for x
    x = 11,838,683,806.03/147,174.86
  6. Step 6: Final answer
    x = 80,439.58

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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.