Home / 156,725.40-235,088.10-133,105.80

Finding the Fourth Proportional to 156,725.40, 235,088.10 and 133,105.80

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Solution

The fourth proportional to 156,725.40, 235,088.10 and 133,105.80 is: 199,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725.40 : 235,088.10 = 133,105.80 : x
  2. Step 2: Convert to fraction form
    156,725.40/235,088.10 = 133,105.80/x
  3. Step 3: Cross multiply
    156,725.40x = 235,088.10 × 133,105.80
  4. Step 4: Simplify right side
    156,725.40x = 31,291,589,620.98
  5. Step 5: Solve for x
    x = 31,291,589,620.98/156,725.40
  6. Step 6: Final answer
    x = 199,658.70

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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.