Home / 156,911.49-235,234.59-68,098.23

Finding the Fourth Proportional to 156,911.49, 235,234.59 and 68,098.23

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Solution

The fourth proportional to 156,911.49, 235,234.59 and 68,098.23 is: 102,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.49 : 235,234.59 = 68,098.23 : x
  2. Step 2: Convert to fraction form
    156,911.49/235,234.59 = 68,098.23/x
  3. Step 3: Cross multiply
    156,911.49x = 235,234.59 × 68,098.23
  4. Step 4: Simplify right side
    156,911.49x = 16,019,059,213.78
  5. Step 5: Solve for x
    x = 16,019,059,213.78/156,911.49
  6. Step 6: Final answer
    x = 102,089.78

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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.