Home / 156,933.10-216,563.11-88,956.32

Finding the Fourth Proportional to 156,933.10, 216,563.11 and 88,956.32

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Solution

The fourth proportional to 156,933.10, 216,563.11 and 88,956.32 is: 122,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.10 : 216,563.11 = 88,956.32 : x
  2. Step 2: Convert to fraction form
    156,933.10/216,563.11 = 88,956.32/x
  3. Step 3: Cross multiply
    156,933.10x = 216,563.11 × 88,956.32
  4. Step 4: Simplify right side
    156,933.10x = 19,264,657,313.36
  5. Step 5: Solve for x
    x = 19,264,657,313.36/156,933.10
  6. Step 6: Final answer
    x = 122,757.13

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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.