Home / 156,940.35-216,573.16-88,963.60

Finding the Fourth Proportional to 156,940.35, 216,573.16 and 88,963.60

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Solution

The fourth proportional to 156,940.35, 216,573.16 and 88,963.60 is: 122,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.35 : 216,573.16 = 88,963.60 : x
  2. Step 2: Convert to fraction form
    156,940.35/216,573.16 = 88,963.60/x
  3. Step 3: Cross multiply
    156,940.35x = 216,573.16 × 88,963.60
  4. Step 4: Simplify right side
    156,940.35x = 19,267,127,976.98
  5. Step 5: Solve for x
    x = 19,267,127,976.98/156,940.35
  6. Step 6: Final answer
    x = 122,767.20

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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.