Home / 118,631.73-177,942.40-34,390.06

Finding the Fourth Proportional to 118,631.73, 177,942.40 and 34,390.06

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Solution

The fourth proportional to 118,631.73, 177,942.40 and 34,390.06 is: 51,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,631.73 : 177,942.40 = 34,390.06 : x
  2. Step 2: Convert to fraction form
    118,631.73/177,942.40 = 34,390.06/x
  3. Step 3: Cross multiply
    118,631.73x = 177,942.40 × 34,390.06
  4. Step 4: Simplify right side
    118,631.73x = 6,119,449,281.71
  5. Step 5: Solve for x
    x = 6,119,449,281.71/118,631.73
  6. Step 6: Final answer
    x = 51,583.58

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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.