Home / 188,528.58-260,171.21-103,646.25

Finding the Fourth Proportional to 188,528.58, 260,171.21 and 103,646.25

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Solution

The fourth proportional to 188,528.58, 260,171.21 and 103,646.25 is: 143,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,528.58 : 260,171.21 = 103,646.25 : x
  2. Step 2: Convert to fraction form
    188,528.58/260,171.21 = 103,646.25/x
  3. Step 3: Cross multiply
    188,528.58x = 260,171.21 × 103,646.25
  4. Step 4: Simplify right side
    188,528.58x = 26,965,769,756.23
  5. Step 5: Solve for x
    x = 26,965,769,756.23/188,528.58
  6. Step 6: Final answer
    x = 143,032.80

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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.