Home / 106,736.40-147,297.15-58,991.76

Finding the Fourth Proportional to 106,736.40, 147,297.15 and 58,991.76

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Solution

The fourth proportional to 106,736.40, 147,297.15 and 58,991.76 is: 81,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,736.40 : 147,297.15 = 58,991.76 : x
  2. Step 2: Convert to fraction form
    106,736.40/147,297.15 = 58,991.76/x
  3. Step 3: Cross multiply
    106,736.40x = 147,297.15 × 58,991.76
  4. Step 4: Simplify right side
    106,736.40x = 8,689,318,121.48
  5. Step 5: Solve for x
    x = 8,689,318,121.48/106,736.40
  6. Step 6: Final answer
    x = 81,409.14

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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.