Home / 201,700.24-278,346.36-111,056.56

Finding the Fourth Proportional to 201,700.24, 278,346.36 and 111,056.56

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Solution

The fourth proportional to 201,700.24, 278,346.36 and 111,056.56 is: 153,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,700.24 : 278,346.36 = 111,056.56 : x
  2. Step 2: Convert to fraction form
    201,700.24/278,346.36 = 111,056.56/x
  3. Step 3: Cross multiply
    201,700.24x = 278,346.36 × 111,056.56
  4. Step 4: Simplify right side
    201,700.24x = 30,912,189,230.12
  5. Step 5: Solve for x
    x = 30,912,189,230.12/201,700.24
  6. Step 6: Final answer
    x = 153,258.07

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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.