Home / 140,183.14-193,455.45-76,526.50

Finding the Fourth Proportional to 140,183.14, 193,455.45 and 76,526.50

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Solution

The fourth proportional to 140,183.14, 193,455.45 and 76,526.50 is: 105,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,183.14 : 193,455.45 = 76,526.50 : x
  2. Step 2: Convert to fraction form
    140,183.14/193,455.45 = 76,526.50/x
  3. Step 3: Cross multiply
    140,183.14x = 193,455.45 × 76,526.50
  4. Step 4: Simplify right side
    140,183.14x = 14,804,468,494.43
  5. Step 5: Solve for x
    x = 14,804,468,494.43/140,183.14
  6. Step 6: Final answer
    x = 105,608.05

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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.