Home / 156,612.24-216,228.96-92,970.48

Finding the Fourth Proportional to 156,612.24, 216,228.96 and 92,970.48

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Solution

The fourth proportional to 156,612.24, 216,228.96 and 92,970.48 is: 128,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,612.24 : 216,228.96 = 92,970.48 : x
  2. Step 2: Convert to fraction form
    156,612.24/216,228.96 = 92,970.48/x
  3. Step 3: Cross multiply
    156,612.24x = 216,228.96 × 92,970.48
  4. Step 4: Simplify right side
    156,612.24x = 20,102,910,201.10
  5. Step 5: Solve for x
    x = 20,102,910,201.10/156,612.24
  6. Step 6: Final answer
    x = 128,361.04

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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.