Home / 156,336.32-234,387.84-73,210.88

Finding the Fourth Proportional to 156,336.32, 234,387.84 and 73,210.88

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Solution

The fourth proportional to 156,336.32, 234,387.84 and 73,210.88 is: 109,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,336.32 : 234,387.84 = 73,210.88 : x
  2. Step 2: Convert to fraction form
    156,336.32/234,387.84 = 73,210.88/x
  3. Step 3: Cross multiply
    156,336.32x = 234,387.84 × 73,210.88
  4. Step 4: Simplify right side
    156,336.32x = 17,159,740,027.70
  5. Step 5: Solve for x
    x = 17,159,740,027.70/156,336.32
  6. Step 6: Final answer
    x = 109,761.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.