Home / 156,557.32-216,161.43-96,208.88

Finding the Fourth Proportional to 156,557.32, 216,161.43 and 96,208.88

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Solution

The fourth proportional to 156,557.32, 216,161.43 and 96,208.88 is: 132,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,557.32 : 216,161.43 = 96,208.88 : x
  2. Step 2: Convert to fraction form
    156,557.32/216,161.43 = 96,208.88/x
  3. Step 3: Cross multiply
    156,557.32x = 216,161.43 × 96,208.88
  4. Step 4: Simplify right side
    156,557.32x = 20,796,647,998.69
  5. Step 5: Solve for x
    x = 20,796,647,998.69/156,557.32
  6. Step 6: Final answer
    x = 132,837.28

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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.