Home / 197,247.84-272,135.53-112,304.76

Finding the Fourth Proportional to 197,247.84, 272,135.53 and 112,304.76

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Solution

The fourth proportional to 197,247.84, 272,135.53 and 112,304.76 is: 154,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,247.84 : 272,135.53 = 112,304.76 : x
  2. Step 2: Convert to fraction form
    197,247.84/272,135.53 = 112,304.76/x
  3. Step 3: Cross multiply
    197,247.84x = 272,135.53 × 112,304.76
  4. Step 4: Simplify right side
    197,247.84x = 30,562,115,384.12
  5. Step 5: Solve for x
    x = 30,562,115,384.12/197,247.84
  6. Step 6: Final answer
    x = 154,942.71

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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.