Home / 118,897.32-178,351.24-48,770.76

Finding the Fourth Proportional to 118,897.32, 178,351.24 and 48,770.76

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Solution

The fourth proportional to 118,897.32, 178,351.24 and 48,770.76 is: 73,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,897.32 : 178,351.24 = 48,770.76 : x
  2. Step 2: Convert to fraction form
    118,897.32/178,351.24 = 48,770.76/x
  3. Step 3: Cross multiply
    118,897.32x = 178,351.24 × 48,770.76
  4. Step 4: Simplify right side
    118,897.32x = 8,698,325,521.74
  5. Step 5: Solve for x
    x = 8,698,325,521.74/118,897.32
  6. Step 6: Final answer
    x = 73,158.30

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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.