Home / 113,285.68-156,295.30-70,249.70

Finding the Fourth Proportional to 113,285.68, 156,295.30 and 70,249.70

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Solution

The fourth proportional to 113,285.68, 156,295.30 and 70,249.70 is: 96,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,285.68 : 156,295.30 = 70,249.70 : x
  2. Step 2: Convert to fraction form
    113,285.68/156,295.30 = 70,249.70/x
  3. Step 3: Cross multiply
    113,285.68x = 156,295.30 × 70,249.70
  4. Step 4: Simplify right side
    113,285.68x = 10,979,697,936.41
  5. Step 5: Solve for x
    x = 10,979,697,936.41/113,285.68
  6. Step 6: Final answer
    x = 96,920.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.