Home / 205,328.72-283,358.28-120,506.96

Finding the Fourth Proportional to 205,328.72, 283,358.28 and 120,506.96

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Solution

The fourth proportional to 205,328.72, 283,358.28 and 120,506.96 is: 166,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,328.72 : 283,358.28 = 120,506.96 : x
  2. Step 2: Convert to fraction form
    205,328.72/283,358.28 = 120,506.96/x
  3. Step 3: Cross multiply
    205,328.72x = 283,358.28 × 120,506.96
  4. Step 4: Simplify right side
    205,328.72x = 34,146,644,913.63
  5. Step 5: Solve for x
    x = 34,146,644,913.63/205,328.72
  6. Step 6: Final answer
    x = 166,302.33

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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.