Home / 252,341.16-378,513.30-74,849.64

Finding the Fourth Proportional to 252,341.16, 378,513.30 and 74,849.64

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Solution

The fourth proportional to 252,341.16, 378,513.30 and 74,849.64 is: 112,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,341.16 : 378,513.30 = 74,849.64 : x
  2. Step 2: Convert to fraction form
    252,341.16/378,513.30 = 74,849.64/x
  3. Step 3: Cross multiply
    252,341.16x = 378,513.30 × 74,849.64
  4. Step 4: Simplify right side
    252,341.16x = 28,331,584,240.21
  5. Step 5: Solve for x
    x = 28,331,584,240.21/252,341.16
  6. Step 6: Final answer
    x = 112,274.92

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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.