Home / 358,972.09-495,379.06-197,827.25

Finding the Fourth Proportional to 358,972.09, 495,379.06 and 197,827.25

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Solution

The fourth proportional to 358,972.09, 495,379.06 and 197,827.25 is: 273,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,972.09 : 495,379.06 = 197,827.25 : x
  2. Step 2: Convert to fraction form
    358,972.09/495,379.06 = 197,827.25/x
  3. Step 3: Cross multiply
    358,972.09x = 495,379.06 × 197,827.25
  4. Step 4: Simplify right side
    358,972.09x = 97,999,474,175.92
  5. Step 5: Solve for x
    x = 97,999,474,175.92/358,972.09
  6. Step 6: Final answer
    x = 273,000.26

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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.