Home / 188,575.13-260,222.82-103,692.26

Finding the Fourth Proportional to 188,575.13, 260,222.82 and 103,692.26

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Solution

The fourth proportional to 188,575.13, 260,222.82 and 103,692.26 is: 143,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,575.13 : 260,222.82 = 103,692.26 : x
  2. Step 2: Convert to fraction form
    188,575.13/260,222.82 = 103,692.26/x
  3. Step 3: Cross multiply
    188,575.13x = 260,222.82 × 103,692.26
  4. Step 4: Simplify right side
    188,575.13x = 26,983,092,309.37
  5. Step 5: Solve for x
    x = 26,983,092,309.37/188,575.13
  6. Step 6: Final answer
    x = 143,089.35

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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.