Home / 156,976.58-216,623.14-88,999.86

Finding the Fourth Proportional to 156,976.58, 216,623.14 and 88,999.86

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Solution

The fourth proportional to 156,976.58, 216,623.14 and 88,999.86 is: 122,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.58 : 216,623.14 = 88,999.86 : x
  2. Step 2: Convert to fraction form
    156,976.58/216,623.14 = 88,999.86/x
  3. Step 3: Cross multiply
    156,976.58x = 216,623.14 × 88,999.86
  4. Step 4: Simplify right side
    156,976.58x = 19,279,429,132.76
  5. Step 5: Solve for x
    x = 19,279,429,132.76/156,976.58
  6. Step 6: Final answer
    x = 122,817.24

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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.