Home / 156,896.33-216,518.24-85,276.33

Finding the Fourth Proportional to 156,896.33, 216,518.24 and 85,276.33

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Solution

The fourth proportional to 156,896.33, 216,518.24 and 85,276.33 is: 117,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,896.33 : 216,518.24 = 85,276.33 : x
  2. Step 2: Convert to fraction form
    156,896.33/216,518.24 = 85,276.33/x
  3. Step 3: Cross multiply
    156,896.33x = 216,518.24 × 85,276.33
  4. Step 4: Simplify right side
    156,896.33x = 18,463,880,557.15
  5. Step 5: Solve for x
    x = 18,463,880,557.15/156,896.33
  6. Step 6: Final answer
    x = 117,682.05

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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.