Home / 106,621.35-159,931.23-43,426.62

Finding the Fourth Proportional to 106,621.35, 159,931.23 and 43,426.62

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Solution

The fourth proportional to 106,621.35, 159,931.23 and 43,426.62 is: 65,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,621.35 : 159,931.23 = 43,426.62 : x
  2. Step 2: Convert to fraction form
    106,621.35/159,931.23 = 43,426.62/x
  3. Step 3: Cross multiply
    106,621.35x = 159,931.23 × 43,426.62
  4. Step 4: Simplify right side
    106,621.35x = 6,945,272,751.34
  5. Step 5: Solve for x
    x = 6,945,272,751.34/106,621.35
  6. Step 6: Final answer
    x = 65,139.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.