Home / 133,347.12-198,844.35-132,147

Finding the Fourth Proportional to 133,347.12, 198,844.35 and 132,147

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Solution

The fourth proportional to 133,347.12, 198,844.35 and 132,147 is: 197,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,347.12 : 198,844.35 = 132,147 : x
  2. Step 2: Convert to fraction form
    133,347.12/198,844.35 = 132,147/x
  3. Step 3: Cross multiply
    133,347.12x = 198,844.35 × 132,147
  4. Step 4: Simplify right side
    133,347.12x = 26,276,684,319.45
  5. Step 5: Solve for x
    x = 26,276,684,319.45/133,347.12
  6. Step 6: Final answer
    x = 197,054.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.