Home / 220,088.22-303,907.83-139,658.46

Finding the Fourth Proportional to 220,088.22, 303,907.83 and 139,658.46

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Solution

The fourth proportional to 220,088.22, 303,907.83 and 139,658.46 is: 192,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,088.22 : 303,907.83 = 139,658.46 : x
  2. Step 2: Convert to fraction form
    220,088.22/303,907.83 = 139,658.46/x
  3. Step 3: Cross multiply
    220,088.22x = 303,907.83 × 139,658.46
  4. Step 4: Simplify right side
    220,088.22x = 42,443,299,519.74
  5. Step 5: Solve for x
    x = 42,443,299,519.74/220,088.22
  6. Step 6: Final answer
    x = 192,846.76

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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.