Home / 156,631.32-216,052.88-92,924

Finding the Fourth Proportional to 156,631.32, 216,052.88 and 92,924

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Solution

The fourth proportional to 156,631.32, 216,052.88 and 92,924 is: 128,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.32 : 216,052.88 = 92,924 : x
  2. Step 2: Convert to fraction form
    156,631.32/216,052.88 = 92,924/x
  3. Step 3: Cross multiply
    156,631.32x = 216,052.88 × 92,924
  4. Step 4: Simplify right side
    156,631.32x = 20,076,497,821.12
  5. Step 5: Solve for x
    x = 20,076,497,821.12/156,631.32
  6. Step 6: Final answer
    x = 128,176.78

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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.