Home / 140,311.48-193,379.46-106,238.36

Finding the Fourth Proportional to 140,311.48, 193,379.46 and 106,238.36

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Solution

The fourth proportional to 140,311.48, 193,379.46 and 106,238.36 is: 146,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,311.48 : 193,379.46 = 106,238.36 : x
  2. Step 2: Convert to fraction form
    140,311.48/193,379.46 = 106,238.36/x
  3. Step 3: Cross multiply
    140,311.48x = 193,379.46 × 106,238.36
  4. Step 4: Simplify right side
    140,311.48x = 20,544,316,688.09
  5. Step 5: Solve for x
    x = 20,544,316,688.09/140,311.48
  6. Step 6: Final answer
    x = 146,419.36

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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.