Home / 156,812.20-234,872.70-136,076.20

Finding the Fourth Proportional to 156,812.20, 234,872.70 and 136,076.20

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Solution

The fourth proportional to 156,812.20, 234,872.70 and 136,076.20 is: 203,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,812.20 : 234,872.70 = 136,076.20 : x
  2. Step 2: Convert to fraction form
    156,812.20/234,872.70 = 136,076.20/x
  3. Step 3: Cross multiply
    156,812.20x = 234,872.70 × 136,076.20
  4. Step 4: Simplify right side
    156,812.20x = 31,960,584,499.74
  5. Step 5: Solve for x
    x = 31,960,584,499.74/156,812.20
  6. Step 6: Final answer
    x = 203,814.40

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1.5x scale

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.