Home / 156,289.60-234,463.62-51,114.28

Finding the Fourth Proportional to 156,289.60, 234,463.62 and 51,114.28

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Solution

The fourth proportional to 156,289.60, 234,463.62 and 51,114.28 is: 76,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,289.60 : 234,463.62 = 51,114.28 : x
  2. Step 2: Convert to fraction form
    156,289.60/234,463.62 = 51,114.28/x
  3. Step 3: Cross multiply
    156,289.60x = 234,463.62 × 51,114.28
  4. Step 4: Simplify right side
    156,289.60x = 11,984,439,122.49
  5. Step 5: Solve for x
    x = 11,984,439,122.49/156,289.60
  6. Step 6: Final answer
    x = 76,680.98

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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.