Home / 201,924.04-278,661.02-111,285.85

Finding the Fourth Proportional to 201,924.04, 278,661.02 and 111,285.85

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Solution

The fourth proportional to 201,924.04, 278,661.02 and 111,285.85 is: 153,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,924.04 : 278,661.02 = 111,285.85 : x
  2. Step 2: Convert to fraction form
    201,924.04/278,661.02 = 111,285.85/x
  3. Step 3: Cross multiply
    201,924.04x = 278,661.02 × 111,285.85
  4. Step 4: Simplify right side
    201,924.04x = 31,011,028,054.97
  5. Step 5: Solve for x
    x = 31,011,028,054.97/201,924.04
  6. Step 6: Final answer
    x = 153,577.69

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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.