Home / 118,231.18-176,930.70-73,878.82

Finding the Fourth Proportional to 118,231.18, 176,930.70 and 73,878.82

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Solution

The fourth proportional to 118,231.18, 176,930.70 and 73,878.82 is: 110,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,231.18 : 176,930.70 = 73,878.82 : x
  2. Step 2: Convert to fraction form
    118,231.18/176,930.70 = 73,878.82/x
  3. Step 3: Cross multiply
    118,231.18x = 176,930.70 × 73,878.82
  4. Step 4: Simplify right side
    118,231.18x = 13,071,431,337.77
  5. Step 5: Solve for x
    x = 13,071,431,337.77/118,231.18
  6. Step 6: Final answer
    x = 110,558.24

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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.