Home / 118,977.11-178,482.14-40,113.89

Finding the Fourth Proportional to 118,977.11, 178,482.14 and 40,113.89

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Solution

The fourth proportional to 118,977.11, 178,482.14 and 40,113.89 is: 60,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,977.11 : 178,482.14 = 40,113.89 : x
  2. Step 2: Convert to fraction form
    118,977.11/178,482.14 = 40,113.89/x
  3. Step 3: Cross multiply
    118,977.11x = 178,482.14 × 40,113.89
  4. Step 4: Simplify right side
    118,977.11x = 7,159,612,930.92
  5. Step 5: Solve for x
    x = 7,159,612,930.92/118,977.11
  6. Step 6: Final answer
    x = 60,176.39

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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.