Home / 118,767.76-178,157.75-30,022.02

Finding the Fourth Proportional to 118,767.76, 178,157.75 and 30,022.02

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Solution

The fourth proportional to 118,767.76, 178,157.75 and 30,022.02 is: 45,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,767.76 : 178,157.75 = 30,022.02 : x
  2. Step 2: Convert to fraction form
    118,767.76/178,157.75 = 30,022.02/x
  3. Step 3: Cross multiply
    118,767.76x = 178,157.75 × 30,022.02
  4. Step 4: Simplify right side
    118,767.76x = 5,348,654,492.76
  5. Step 5: Solve for x
    x = 5,348,654,492.76/118,767.76
  6. Step 6: Final answer
    x = 45,034.57

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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.