Home / 201,623.57-278,238.33-110,977.59

Finding the Fourth Proportional to 201,623.57, 278,238.33 and 110,977.59

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Solution

The fourth proportional to 201,623.57, 278,238.33 and 110,977.59 is: 153,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,623.57 : 278,238.33 = 110,977.59 : x
  2. Step 2: Convert to fraction form
    201,623.57/278,238.33 = 110,977.59/x
  3. Step 3: Cross multiply
    201,623.57x = 278,238.33 × 110,977.59
  4. Step 4: Simplify right side
    201,623.57x = 30,878,219,309.02
  5. Step 5: Solve for x
    x = 30,878,219,309.02/201,623.57
  6. Step 6: Final answer
    x = 153,147.87

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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.