Home / 140,306.96-193,616.37-76,632.45

Finding the Fourth Proportional to 140,306.96, 193,616.37 and 76,632.45

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Solution

The fourth proportional to 140,306.96, 193,616.37 and 76,632.45 is: 105,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,306.96 : 193,616.37 = 76,632.45 : x
  2. Step 2: Convert to fraction form
    140,306.96/193,616.37 = 76,632.45/x
  3. Step 3: Cross multiply
    140,306.96x = 193,616.37 × 76,632.45
  4. Step 4: Simplify right side
    140,306.96x = 14,837,296,793.21
  5. Step 5: Solve for x
    x = 14,837,296,793.21/140,306.96
  6. Step 6: Final answer
    x = 105,748.83

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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.