Home / 197,158.52-272,078.90-106,514.46

Finding the Fourth Proportional to 197,158.52, 272,078.90 and 106,514.46

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Solution

The fourth proportional to 197,158.52, 272,078.90 and 106,514.46 is: 146,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,158.52 : 272,078.90 = 106,514.46 : x
  2. Step 2: Convert to fraction form
    197,158.52/272,078.90 = 106,514.46/x
  3. Step 3: Cross multiply
    197,158.52x = 272,078.90 × 106,514.46
  4. Step 4: Simplify right side
    197,158.52x = 28,980,335,829.92
  5. Step 5: Solve for x
    x = 28,980,335,829.92/197,158.52
  6. Step 6: Final answer
    x = 146,990.02

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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.