Home / 112,811.40-169,217.10-112,033.80

Finding the Fourth Proportional to 112,811.40, 169,217.10 and 112,033.80

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Solution

The fourth proportional to 112,811.40, 169,217.10 and 112,033.80 is: 168,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,811.40 : 169,217.10 = 112,033.80 : x
  2. Step 2: Convert to fraction form
    112,811.40/169,217.10 = 112,033.80/x
  3. Step 3: Cross multiply
    112,811.40x = 169,217.10 × 112,033.80
  4. Step 4: Simplify right side
    112,811.40x = 18,958,034,737.98
  5. Step 5: Solve for x
    x = 18,958,034,737.98/112,811.40
  6. Step 6: Final answer
    x = 168,050.70

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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.