Home / 132,181.77-198,298.05-53,303.97

Finding the Fourth Proportional to 132,181.77, 198,298.05 and 53,303.97

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Solution

The fourth proportional to 132,181.77, 198,298.05 and 53,303.97 is: 79,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.77 : 198,298.05 = 53,303.97 : x
  2. Step 2: Convert to fraction form
    132,181.77/198,298.05 = 53,303.97/x
  3. Step 3: Cross multiply
    132,181.77x = 198,298.05 × 53,303.97
  4. Step 4: Simplify right side
    132,181.77x = 10,570,073,308.26
  5. Step 5: Solve for x
    x = 10,570,073,308.26/132,181.77
  6. Step 6: Final answer
    x = 79,966.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.