Home / 123,423.25-185,135.48-29,929

Finding the Fourth Proportional to 123,423.25, 185,135.48 and 29,929

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Solution

The fourth proportional to 123,423.25, 185,135.48 and 29,929 is: 44,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,423.25 : 185,135.48 = 29,929 : x
  2. Step 2: Convert to fraction form
    123,423.25/185,135.48 = 29,929/x
  3. Step 3: Cross multiply
    123,423.25x = 185,135.48 × 29,929
  4. Step 4: Simplify right side
    123,423.25x = 5,540,919,780.92
  5. Step 5: Solve for x
    x = 5,540,919,780.92/123,423.25
  6. Step 6: Final answer
    x = 44,893.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.