Home / 156,262.60-215,644.98-88,265.80

Finding the Fourth Proportional to 156,262.60, 215,644.98 and 88,265.80

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Solution

The fourth proportional to 156,262.60, 215,644.98 and 88,265.80 is: 121,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,262.60 : 215,644.98 = 88,265.80 : x
  2. Step 2: Convert to fraction form
    156,262.60/215,644.98 = 88,265.80/x
  3. Step 3: Cross multiply
    156,262.60x = 215,644.98 × 88,265.80
  4. Step 4: Simplify right side
    156,262.60x = 19,034,076,675.68
  5. Step 5: Solve for x
    x = 19,034,076,675.68/156,262.60
  6. Step 6: Final answer
    x = 121,808.27

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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.