Home / 118,795.84-178,156.50-38,815.57

Finding the Fourth Proportional to 118,795.84, 178,156.50 and 38,815.57

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Solution

The fourth proportional to 118,795.84, 178,156.50 and 38,815.57 is: 58,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,795.84 : 178,156.50 = 38,815.57 : x
  2. Step 2: Convert to fraction form
    118,795.84/178,156.50 = 38,815.57/x
  3. Step 3: Cross multiply
    118,795.84x = 178,156.50 × 38,815.57
  4. Step 4: Simplify right side
    118,795.84x = 6,915,246,096.71
  5. Step 5: Solve for x
    x = 6,915,246,096.71/118,795.84
  6. Step 6: Final answer
    x = 58,211.18

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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.