Home / 156,909.27-216,527.81-88,922.26

Finding the Fourth Proportional to 156,909.27, 216,527.81 and 88,922.26

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Solution

The fourth proportional to 156,909.27, 216,527.81 and 88,922.26 is: 122,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,909.27 : 216,527.81 = 88,922.26 : x
  2. Step 2: Convert to fraction form
    156,909.27/216,527.81 = 88,922.26/x
  3. Step 3: Cross multiply
    156,909.27x = 216,527.81 × 88,922.26
  4. Step 4: Simplify right side
    156,909.27x = 19,254,142,218.05
  5. Step 5: Solve for x
    x = 19,254,142,218.05/156,909.27
  6. Step 6: Final answer
    x = 122,708.76

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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.