Home / 132,347.70-198,521.55-127,682.10

Finding the Fourth Proportional to 132,347.70, 198,521.55 and 127,682.10

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Solution

The fourth proportional to 132,347.70, 198,521.55 and 127,682.10 is: 191,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,347.70 : 198,521.55 = 127,682.10 : x
  2. Step 2: Convert to fraction form
    132,347.70/198,521.55 = 127,682.10/x
  3. Step 3: Cross multiply
    132,347.70x = 198,521.55 × 127,682.10
  4. Step 4: Simplify right side
    132,347.70x = 25,347,648,399.26
  5. Step 5: Solve for x
    x = 25,347,648,399.26/132,347.70
  6. Step 6: Final answer
    x = 191,523.15

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1.5x scale

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.