Home / 118,977.36-178,482.51-40,114.14

Finding the Fourth Proportional to 118,977.36, 178,482.51 and 40,114.14

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Solution

The fourth proportional to 118,977.36, 178,482.51 and 40,114.14 is: 60,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,977.36 : 178,482.51 = 40,114.14 : x
  2. Step 2: Convert to fraction form
    118,977.36/178,482.51 = 40,114.14/x
  3. Step 3: Cross multiply
    118,977.36x = 178,482.51 × 40,114.14
  4. Step 4: Simplify right side
    118,977.36x = 7,159,672,393.69
  5. Step 5: Solve for x
    x = 7,159,672,393.69/118,977.36
  6. Step 6: Final answer
    x = 60,176.76

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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.