Home / 156,938.58-216,595.17-88,966.62

Finding the Fourth Proportional to 156,938.58, 216,595.17 and 88,966.62

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Solution

The fourth proportional to 156,938.58, 216,595.17 and 88,966.62 is: 122,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.58 : 216,595.17 = 88,966.62 : x
  2. Step 2: Convert to fraction form
    156,938.58/216,595.17 = 88,966.62/x
  3. Step 3: Cross multiply
    156,938.58x = 216,595.17 × 88,966.62
  4. Step 4: Simplify right side
    156,938.58x = 19,269,740,183.23
  5. Step 5: Solve for x
    x = 19,269,740,183.23/156,938.58
  6. Step 6: Final answer
    x = 122,785.23

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1.5x scale

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.