Home / 175,617.40-242,286.78-111,940.60

Finding the Fourth Proportional to 175,617.40, 242,286.78 and 111,940.60

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Solution

The fourth proportional to 175,617.40, 242,286.78 and 111,940.60 is: 154,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,617.40 : 242,286.78 = 111,940.60 : x
  2. Step 2: Convert to fraction form
    175,617.40/242,286.78 = 111,940.60/x
  3. Step 3: Cross multiply
    175,617.40x = 242,286.78 × 111,940.60
  4. Step 4: Simplify right side
    175,617.40x = 27,121,727,525.27
  5. Step 5: Solve for x
    x = 27,121,727,525.27/175,617.40
  6. Step 6: Final answer
    x = 154,436.45

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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.