Home / 263,812.38-364,007.43-156,335.10

Finding the Fourth Proportional to 263,812.38, 364,007.43 and 156,335.10

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Solution

The fourth proportional to 263,812.38, 364,007.43 and 156,335.10 is: 215,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,812.38 : 364,007.43 = 156,335.10 : x
  2. Step 2: Convert to fraction form
    263,812.38/364,007.43 = 156,335.10/x
  3. Step 3: Cross multiply
    263,812.38x = 364,007.43 × 156,335.10
  4. Step 4: Simplify right side
    263,812.38x = 56,907,137,969.79
  5. Step 5: Solve for x
    x = 56,907,137,969.79/263,812.38
  6. Step 6: Final answer
    x = 215,710.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.