Home / 201,708.24-278,357.40-111,064.56

Finding the Fourth Proportional to 201,708.24, 278,357.40 and 111,064.56

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Solution

The fourth proportional to 201,708.24, 278,357.40 and 111,064.56 is: 153,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,708.24 : 278,357.40 = 111,064.56 : x
  2. Step 2: Convert to fraction form
    201,708.24/278,357.40 = 111,064.56/x
  3. Step 3: Cross multiply
    201,708.24x = 278,357.40 × 111,064.56
  4. Step 4: Simplify right side
    201,708.24x = 30,915,642,153.74
  5. Step 5: Solve for x
    x = 30,915,642,153.74/201,708.24
  6. Step 6: Final answer
    x = 153,269.11

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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.