Home / 106,237.44-146,446.56-87,341.76

Finding the Fourth Proportional to 106,237.44, 146,446.56 and 87,341.76

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Solution

The fourth proportional to 106,237.44, 146,446.56 and 87,341.76 is: 120,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,237.44 : 146,446.56 = 87,341.76 : x
  2. Step 2: Convert to fraction form
    106,237.44/146,446.56 = 87,341.76/x
  3. Step 3: Cross multiply
    106,237.44x = 146,446.56 × 87,341.76
  4. Step 4: Simplify right side
    106,237.44x = 12,790,900,296.35
  5. Step 5: Solve for x
    x = 12,790,900,296.35/106,237.44
  6. Step 6: Final answer
    x = 120,399.18

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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.