Home / 358,821.18-495,179.55-197,675.10

Finding the Fourth Proportional to 358,821.18, 495,179.55 and 197,675.10

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Solution

The fourth proportional to 358,821.18, 495,179.55 and 197,675.10 is: 272,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,821.18 : 495,179.55 = 197,675.10 : x
  2. Step 2: Convert to fraction form
    358,821.18/495,179.55 = 197,675.10/x
  3. Step 3: Cross multiply
    358,821.18x = 495,179.55 × 197,675.10
  4. Step 4: Simplify right side
    358,821.18x = 97,884,667,064.21
  5. Step 5: Solve for x
    x = 97,884,667,064.21/358,821.18
  6. Step 6: Final answer
    x = 272,795.12

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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.