Home / 180,228.16-248,704.80-99,650.83

Finding the Fourth Proportional to 180,228.16, 248,704.80 and 99,650.83

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Solution

The fourth proportional to 180,228.16, 248,704.80 and 99,650.83 is: 137,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,228.16 : 248,704.80 = 99,650.83 : x
  2. Step 2: Convert to fraction form
    180,228.16/248,704.80 = 99,650.83/x
  3. Step 3: Cross multiply
    180,228.16x = 248,704.80 × 99,650.83
  4. Step 4: Simplify right side
    180,228.16x = 24,783,639,744.98
  5. Step 5: Solve for x
    x = 24,783,639,744.98/180,228.16
  6. Step 6: Final answer
    x = 137,512.58

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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.