Home / 180,105.50-248,550.55-99,538.24

Finding the Fourth Proportional to 180,105.50, 248,550.55 and 99,538.24

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Solution

The fourth proportional to 180,105.50, 248,550.55 and 99,538.24 is: 137,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,105.50 : 248,550.55 = 99,538.24 : x
  2. Step 2: Convert to fraction form
    180,105.50/248,550.55 = 99,538.24/x
  3. Step 3: Cross multiply
    180,105.50x = 248,550.55 × 99,538.24
  4. Step 4: Simplify right side
    180,105.50x = 24,740,284,298.03
  5. Step 5: Solve for x
    x = 24,740,284,298.03/180,105.50
  6. Step 6: Final answer
    x = 137,365.51

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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.