Home / 156,906.40-235,213.80-109,521.40

Finding the Fourth Proportional to 156,906.40, 235,213.80 and 109,521.40

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Solution

The fourth proportional to 156,906.40, 235,213.80 and 109,521.40 is: 164,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,906.40 : 235,213.80 = 109,521.40 : x
  2. Step 2: Convert to fraction form
    156,906.40/235,213.80 = 109,521.40/x
  3. Step 3: Cross multiply
    156,906.40x = 235,213.80 × 109,521.40
  4. Step 4: Simplify right side
    156,906.40x = 25,760,944,675.32
  5. Step 5: Solve for x
    x = 25,760,944,675.32/156,906.40
  6. Step 6: Final answer
    x = 164,180.33

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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.