Home / 156,838.60-235,257.90-68,134.60

Finding the Fourth Proportional to 156,838.60, 235,257.90 and 68,134.60

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Solution

The fourth proportional to 156,838.60, 235,257.90 and 68,134.60 is: 102,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,838.60 : 235,257.90 = 68,134.60 : x
  2. Step 2: Convert to fraction form
    156,838.60/235,257.90 = 68,134.60/x
  3. Step 3: Cross multiply
    156,838.60x = 235,257.90 × 68,134.60
  4. Step 4: Simplify right side
    156,838.60x = 16,029,202,913.34
  5. Step 5: Solve for x
    x = 16,029,202,913.34/156,838.60
  6. Step 6: Final answer
    x = 102,201.90

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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.