Home / 140,183.39-193,452.99-76,521.17

Finding the Fourth Proportional to 140,183.39, 193,452.99 and 76,521.17

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Solution

The fourth proportional to 140,183.39, 193,452.99 and 76,521.17 is: 105,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,183.39 : 193,452.99 = 76,521.17 : x
  2. Step 2: Convert to fraction form
    140,183.39/193,452.99 = 76,521.17/x
  3. Step 3: Cross multiply
    140,183.39x = 193,452.99 × 76,521.17
  4. Step 4: Simplify right side
    140,183.39x = 14,803,249,134.80
  5. Step 5: Solve for x
    x = 14,803,249,134.80/140,183.39
  6. Step 6: Final answer
    x = 105,599.17

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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.