Home / 156,918.28-216,497.46-97,336.84

Finding the Fourth Proportional to 156,918.28, 216,497.46 and 97,336.84

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Solution

The fourth proportional to 156,918.28, 216,497.46 and 97,336.84 is: 134,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.28 : 216,497.46 = 97,336.84 : x
  2. Step 2: Convert to fraction form
    156,918.28/216,497.46 = 97,336.84/x
  3. Step 3: Cross multiply
    156,918.28x = 216,497.46 × 97,336.84
  4. Step 4: Simplify right side
    156,918.28x = 21,073,178,624.43
  5. Step 5: Solve for x
    x = 21,073,178,624.43/156,918.28
  6. Step 6: Final answer
    x = 134,293.97

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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.