Home / 188,560.53-260,218.11-103,677.59

Finding the Fourth Proportional to 188,560.53, 260,218.11 and 103,677.59

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Solution

The fourth proportional to 188,560.53, 260,218.11 and 103,677.59 is: 143,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,560.53 : 260,218.11 = 103,677.59 : x
  2. Step 2: Convert to fraction form
    188,560.53/260,218.11 = 103,677.59/x
  3. Step 3: Cross multiply
    188,560.53x = 260,218.11 × 103,677.59
  4. Step 4: Simplify right side
    188,560.53x = 26,978,785,218.06
  5. Step 5: Solve for x
    x = 26,978,785,218.06/188,560.53
  6. Step 6: Final answer
    x = 143,077.58

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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.