Home / 160,906.20-241,445.70-67,421.40

Finding the Fourth Proportional to 160,906.20, 241,445.70 and 67,421.40

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Solution

The fourth proportional to 160,906.20, 241,445.70 and 67,421.40 is: 101,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,906.20 : 241,445.70 = 67,421.40 : x
  2. Step 2: Convert to fraction form
    160,906.20/241,445.70 = 67,421.40/x
  3. Step 3: Cross multiply
    160,906.20x = 241,445.70 × 67,421.40
  4. Step 4: Simplify right side
    160,906.20x = 16,278,607,117.98
  5. Step 5: Solve for x
    x = 16,278,607,117.98/160,906.20
  6. Step 6: Final answer
    x = 101,168.30

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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.