Home / 358,823.88-495,158.57-197,675.40

Finding the Fourth Proportional to 358,823.88, 495,158.57 and 197,675.40

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Solution

The fourth proportional to 358,823.88, 495,158.57 and 197,675.40 is: 272,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,823.88 : 495,158.57 = 197,675.40 : x
  2. Step 2: Convert to fraction form
    358,823.88/495,158.57 = 197,675.40/x
  3. Step 3: Cross multiply
    358,823.88x = 495,158.57 × 197,675.40
  4. Step 4: Simplify right side
    358,823.88x = 97,880,667,399.80
  5. Step 5: Solve for x
    x = 97,880,667,399.80/358,823.88
  6. Step 6: Final answer
    x = 272,781.92

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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.