Home / 197,133.64-272,047.02-112,251.04

Finding the Fourth Proportional to 197,133.64, 272,047.02 and 112,251.04

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Solution

The fourth proportional to 197,133.64, 272,047.02 and 112,251.04 is: 154,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,133.64 : 272,047.02 = 112,251.04 : x
  2. Step 2: Convert to fraction form
    197,133.64/272,047.02 = 112,251.04/x
  3. Step 3: Cross multiply
    197,133.64x = 272,047.02 × 112,251.04
  4. Step 4: Simplify right side
    197,133.64x = 30,537,560,923.90
  5. Step 5: Solve for x
    x = 30,537,560,923.90/197,133.64
  6. Step 6: Final answer
    x = 154,907.91

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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.