Home / 106,500.19-146,905.14-68,246.86

Finding the Fourth Proportional to 106,500.19, 146,905.14 and 68,246.86

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Solution

The fourth proportional to 106,500.19, 146,905.14 and 68,246.86 is: 94,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,500.19 : 146,905.14 = 68,246.86 : x
  2. Step 2: Convert to fraction form
    106,500.19/146,905.14 = 68,246.86/x
  3. Step 3: Cross multiply
    106,500.19x = 146,905.14 × 68,246.86
  4. Step 4: Simplify right side
    106,500.19x = 10,025,814,522.86
  5. Step 5: Solve for x
    x = 10,025,814,522.86/106,500.19
  6. Step 6: Final answer
    x = 94,138.94

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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.