Home / 358,855.13-495,426.26-238,160.06

Finding the Fourth Proportional to 358,855.13, 495,426.26 and 238,160.06

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Solution

The fourth proportional to 358,855.13, 495,426.26 and 238,160.06 is: 328,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,855.13 : 495,426.26 = 238,160.06 : x
  2. Step 2: Convert to fraction form
    358,855.13/495,426.26 = 238,160.06/x
  3. Step 3: Cross multiply
    358,855.13x = 495,426.26 × 238,160.06
  4. Step 4: Simplify right side
    358,855.13x = 117,990,749,230.42
  5. Step 5: Solve for x
    x = 117,990,749,230.42/358,855.13
  6. Step 6: Final answer
    x = 328,797.72

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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.