Home / 103,626.13-155,439.20-33,505.45

Finding the Fourth Proportional to 103,626.13, 155,439.20 and 33,505.45

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Solution

The fourth proportional to 103,626.13, 155,439.20 and 33,505.45 is: 50,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.13 : 155,439.20 = 33,505.45 : x
  2. Step 2: Convert to fraction form
    103,626.13/155,439.20 = 33,505.45/x
  3. Step 3: Cross multiply
    103,626.13x = 155,439.20 × 33,505.45
  4. Step 4: Simplify right side
    103,626.13x = 5,208,060,343.64
  5. Step 5: Solve for x
    x = 5,208,060,343.64/103,626.13
  6. Step 6: Final answer
    x = 50,258.18

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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.