Home / 156,918.88-216,555.96-96,492.88

Finding the Fourth Proportional to 156,918.88, 216,555.96 and 96,492.88

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Solution

The fourth proportional to 156,918.88, 216,555.96 and 96,492.88 is: 133,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.88 : 216,555.96 = 96,492.88 : x
  2. Step 2: Convert to fraction form
    156,918.88/216,555.96 = 96,492.88/x
  3. Step 3: Cross multiply
    156,918.88x = 216,555.96 × 96,492.88
  4. Step 4: Simplify right side
    156,918.88x = 20,896,108,261.56
  5. Step 5: Solve for x
    x = 20,896,108,261.56/156,918.88
  6. Step 6: Final answer
    x = 133,165.04

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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.