Home / 99,646.26-137,550.23-73,000.41

Finding the Fourth Proportional to 99,646.26, 137,550.23 and 73,000.41

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Solution

The fourth proportional to 99,646.26, 137,550.23 and 73,000.41 is: 100,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,646.26 : 137,550.23 = 73,000.41 : x
  2. Step 2: Convert to fraction form
    99,646.26/137,550.23 = 73,000.41/x
  3. Step 3: Cross multiply
    99,646.26x = 137,550.23 × 73,000.41
  4. Step 4: Simplify right side
    99,646.26x = 10,041,223,185.59
  5. Step 5: Solve for x
    x = 10,041,223,185.59/99,646.26
  6. Step 6: Final answer
    x = 100,768.69

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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.