Home / 180,215.25-248,697.05-100,727.25

Finding the Fourth Proportional to 180,215.25, 248,697.05 and 100,727.25

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Solution

The fourth proportional to 180,215.25, 248,697.05 and 100,727.25 is: 139,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,215.25 : 248,697.05 = 100,727.25 : x
  2. Step 2: Convert to fraction form
    180,215.25/248,697.05 = 100,727.25/x
  3. Step 3: Cross multiply
    180,215.25x = 248,697.05 × 100,727.25
  4. Step 4: Simplify right side
    180,215.25x = 25,050,569,425.98
  5. Step 5: Solve for x
    x = 25,050,569,425.98/180,215.25
  6. Step 6: Final answer
    x = 139,003.61

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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.