Home / 118,923.14-178,034.78-79,382.18

Finding the Fourth Proportional to 118,923.14, 178,034.78 and 79,382.18

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Solution

The fourth proportional to 118,923.14, 178,034.78 and 79,382.18 is: 118,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,923.14 : 178,034.78 = 79,382.18 : x
  2. Step 2: Convert to fraction form
    118,923.14/178,034.78 = 79,382.18/x
  3. Step 3: Cross multiply
    118,923.14x = 178,034.78 × 79,382.18
  4. Step 4: Simplify right side
    118,923.14x = 14,132,788,260.50
  5. Step 5: Solve for x
    x = 14,132,788,260.50/118,923.14
  6. Step 6: Final answer
    x = 118,839.69

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1.5x scale

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.