Home / 197,798.06-272,960.24-107,155.80

Finding the Fourth Proportional to 197,798.06, 272,960.24 and 107,155.80

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Solution

The fourth proportional to 197,798.06, 272,960.24 and 107,155.80 is: 147,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,798.06 : 272,960.24 = 107,155.80 : x
  2. Step 2: Convert to fraction form
    197,798.06/272,960.24 = 107,155.80/x
  3. Step 3: Cross multiply
    197,798.06x = 272,960.24 × 107,155.80
  4. Step 4: Simplify right side
    197,798.06x = 29,249,272,885.39
  5. Step 5: Solve for x
    x = 29,249,272,885.39/197,798.06
  6. Step 6: Final answer
    x = 147,874.42

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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.