Home / 380,737.81-570,982.15-178,271.24

Finding the Fourth Proportional to 380,737.81, 570,982.15 and 178,271.24

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Solution

The fourth proportional to 380,737.81, 570,982.15 and 178,271.24 is: 267,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,737.81 : 570,982.15 = 178,271.24 : x
  2. Step 2: Convert to fraction form
    380,737.81/570,982.15 = 178,271.24/x
  3. Step 3: Cross multiply
    380,737.81x = 570,982.15 × 178,271.24
  4. Step 4: Simplify right side
    380,737.81x = 101,789,695,898.37
  5. Step 5: Solve for x
    x = 101,789,695,898.37/380,737.81
  6. Step 6: Final answer
    x = 267,348.54

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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.