Home / 201,621.40-278,219.46-116,744.20

Finding the Fourth Proportional to 201,621.40, 278,219.46 and 116,744.20

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Solution

The fourth proportional to 201,621.40, 278,219.46 and 116,744.20 is: 161,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,621.40 : 278,219.46 = 116,744.20 : x
  2. Step 2: Convert to fraction form
    201,621.40/278,219.46 = 116,744.20/x
  3. Step 3: Cross multiply
    201,621.40x = 278,219.46 × 116,744.20
  4. Step 4: Simplify right side
    201,621.40x = 32,480,508,282.13
  5. Step 5: Solve for x
    x = 32,480,508,282.13/201,621.40
  6. Step 6: Final answer
    x = 161,096.53

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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.