Home / 156,741.14-216,305.28-88,756.27

Finding the Fourth Proportional to 156,741.14, 216,305.28 and 88,756.27

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Solution

The fourth proportional to 156,741.14, 216,305.28 and 88,756.27 is: 122,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.14 : 216,305.28 = 88,756.27 : x
  2. Step 2: Convert to fraction form
    156,741.14/216,305.28 = 88,756.27/x
  3. Step 3: Cross multiply
    156,741.14x = 216,305.28 × 88,756.27
  4. Step 4: Simplify right side
    156,741.14x = 19,198,449,834.11
  5. Step 5: Solve for x
    x = 19,198,449,834.11/156,741.14
  6. Step 6: Final answer
    x = 122,485.07

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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.