Home / 156,916.56-216,568.54-95,698.28

Finding the Fourth Proportional to 156,916.56, 216,568.54 and 95,698.28

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Solution

The fourth proportional to 156,916.56, 216,568.54 and 95,698.28 is: 132,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.56 : 216,568.54 = 95,698.28 : x
  2. Step 2: Convert to fraction form
    156,916.56/216,568.54 = 95,698.28/x
  3. Step 3: Cross multiply
    156,916.56x = 216,568.54 × 95,698.28
  4. Step 4: Simplify right side
    156,916.56x = 20,725,236,780.11
  5. Step 5: Solve for x
    x = 20,725,236,780.11/156,916.56
  6. Step 6: Final answer
    x = 132,078.07

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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.