Home / 140,223.42-193,508.25-76,561.22

Finding the Fourth Proportional to 140,223.42, 193,508.25 and 76,561.22

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Solution

The fourth proportional to 140,223.42, 193,508.25 and 76,561.22 is: 105,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,223.42 : 193,508.25 = 76,561.22 : x
  2. Step 2: Convert to fraction form
    140,223.42/193,508.25 = 76,561.22/x
  3. Step 3: Cross multiply
    140,223.42x = 193,508.25 × 76,561.22
  4. Step 4: Simplify right side
    140,223.42x = 14,815,226,732.52
  5. Step 5: Solve for x
    x = 14,815,226,732.52/140,223.42
  6. Step 6: Final answer
    x = 105,654.44

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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.