Home / 201,926.02-278,659.81-111,285.25

Finding the Fourth Proportional to 201,926.02, 278,659.81 and 111,285.25

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Solution

The fourth proportional to 201,926.02, 278,659.81 and 111,285.25 is: 153,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,926.02 : 278,659.81 = 111,285.25 : x
  2. Step 2: Convert to fraction form
    201,926.02/278,659.81 = 111,285.25/x
  3. Step 3: Cross multiply
    201,926.02x = 278,659.81 × 111,285.25
  4. Step 4: Simplify right side
    201,926.02x = 31,010,726,620.80
  5. Step 5: Solve for x
    x = 31,010,726,620.80/201,926.02
  6. Step 6: Final answer
    x = 153,574.69

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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.