Home / 156,366.30-234,615.87-77,482.02

Finding the Fourth Proportional to 156,366.30, 234,615.87 and 77,482.02

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Solution

The fourth proportional to 156,366.30, 234,615.87 and 77,482.02 is: 116,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,366.30 : 234,615.87 = 77,482.02 : x
  2. Step 2: Convert to fraction form
    156,366.30/234,615.87 = 77,482.02/x
  3. Step 3: Cross multiply
    156,366.30x = 234,615.87 × 77,482.02
  4. Step 4: Simplify right side
    156,366.30x = 18,178,511,531.66
  5. Step 5: Solve for x
    x = 18,178,511,531.66/156,366.30
  6. Step 6: Final answer
    x = 116,255.94

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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.