Home / 243,831.11-336,512.21-140,468.85

Finding the Fourth Proportional to 243,831.11, 336,512.21 and 140,468.85

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Solution

The fourth proportional to 243,831.11, 336,512.21 and 140,468.85 is: 193,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,831.11 : 336,512.21 = 140,468.85 : x
  2. Step 2: Convert to fraction form
    243,831.11/336,512.21 = 140,468.85/x
  3. Step 3: Cross multiply
    243,831.11x = 336,512.21 × 140,468.85
  4. Step 4: Simplify right side
    243,831.11x = 47,269,482,447.31
  5. Step 5: Solve for x
    x = 47,269,482,447.31/243,831.11
  6. Step 6: Final answer
    x = 193,861.58

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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.