Home / 156,770.20-216,344.46-85,150.36

Finding the Fourth Proportional to 156,770.20, 216,344.46 and 85,150.36

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Solution

The fourth proportional to 156,770.20, 216,344.46 and 85,150.36 is: 117,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,770.20 : 216,344.46 = 85,150.36 : x
  2. Step 2: Convert to fraction form
    156,770.20/216,344.46 = 85,150.36/x
  3. Step 3: Cross multiply
    156,770.20x = 216,344.46 × 85,150.36
  4. Step 4: Simplify right side
    156,770.20x = 18,421,808,653.01
  5. Step 5: Solve for x
    x = 18,421,808,653.01/156,770.20
  6. Step 6: Final answer
    x = 117,508.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.