Home / 380,736.19-570,979.71-178,269.62

Finding the Fourth Proportional to 380,736.19, 570,979.71 and 178,269.62

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Solution

The fourth proportional to 380,736.19, 570,979.71 and 178,269.62 is: 267,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,736.19 : 570,979.71 = 178,269.62 : x
  2. Step 2: Convert to fraction form
    380,736.19/570,979.71 = 178,269.62/x
  3. Step 3: Cross multiply
    380,736.19x = 570,979.71 × 178,269.62
  4. Step 4: Simplify right side
    380,736.19x = 101,788,337,356.86
  5. Step 5: Solve for x
    x = 101,788,337,356.86/380,736.19
  6. Step 6: Final answer
    x = 267,346.11

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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.