Home / 118,900.10-178,366.66-40,036.88

Finding the Fourth Proportional to 118,900.10, 178,366.66 and 40,036.88

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Solution

The fourth proportional to 118,900.10, 178,366.66 and 40,036.88 is: 60,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,900.10 : 178,366.66 = 40,036.88 : x
  2. Step 2: Convert to fraction form
    118,900.10/178,366.66 = 40,036.88/x
  3. Step 3: Cross multiply
    118,900.10x = 178,366.66 × 40,036.88
  4. Step 4: Simplify right side
    118,900.10x = 7,141,244,908.25
  5. Step 5: Solve for x
    x = 7,141,244,908.25/118,900.10
  6. Step 6: Final answer
    x = 60,060.88

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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.