Home / 197,154.24-272,072.52-112,271.28

Finding the Fourth Proportional to 197,154.24, 272,072.52 and 112,271.28

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Solution

The fourth proportional to 197,154.24, 272,072.52 and 112,271.28 is: 154,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,154.24 : 272,072.52 = 112,271.28 : x
  2. Step 2: Convert to fraction form
    197,154.24/272,072.52 = 112,271.28/x
  3. Step 3: Cross multiply
    197,154.24x = 272,072.52 × 112,271.28
  4. Step 4: Simplify right side
    197,154.24x = 30,545,930,073.23
  5. Step 5: Solve for x
    x = 30,545,930,073.23/197,154.24
  6. Step 6: Final answer
    x = 154,934.18

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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.