Home / 156,736.80-216,296.10-85,116.24

Finding the Fourth Proportional to 156,736.80, 216,296.10 and 85,116.24

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Solution

The fourth proportional to 156,736.80, 216,296.10 and 85,116.24 is: 117,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.80 : 216,296.10 = 85,116.24 : x
  2. Step 2: Convert to fraction form
    156,736.80/216,296.10 = 85,116.24/x
  3. Step 3: Cross multiply
    156,736.80x = 216,296.10 × 85,116.24
  4. Step 4: Simplify right side
    156,736.80x = 18,410,310,758.66
  5. Step 5: Solve for x
    x = 18,410,310,758.66/156,736.80
  6. Step 6: Final answer
    x = 117,460.04

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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.