Home / 132,001.20-198,001.80-110,228.40

Finding the Fourth Proportional to 132,001.20, 198,001.80 and 110,228.40

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Solution

The fourth proportional to 132,001.20, 198,001.80 and 110,228.40 is: 165,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.20 : 198,001.80 = 110,228.40 : x
  2. Step 2: Convert to fraction form
    132,001.20/198,001.80 = 110,228.40/x
  3. Step 3: Cross multiply
    132,001.20x = 198,001.80 × 110,228.40
  4. Step 4: Simplify right side
    132,001.20x = 21,825,421,611.12
  5. Step 5: Solve for x
    x = 21,825,421,611.12/132,001.20
  6. Step 6: Final answer
    x = 165,342.60

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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.