Home / 156,634.74-216,104.49-88,644.96

Finding the Fourth Proportional to 156,634.74, 216,104.49 and 88,644.96

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Solution

The fourth proportional to 156,634.74, 216,104.49 and 88,644.96 is: 122,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.74 : 216,104.49 = 88,644.96 : x
  2. Step 2: Convert to fraction form
    156,634.74/216,104.49 = 88,644.96/x
  3. Step 3: Cross multiply
    156,634.74x = 216,104.49 × 88,644.96
  4. Step 4: Simplify right side
    156,634.74x = 19,156,573,871.87
  5. Step 5: Solve for x
    x = 19,156,573,871.87/156,634.74
  6. Step 6: Final answer
    x = 122,300.93

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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.