Home / 188,770.06-260,553.86-111,313.35

Finding the Fourth Proportional to 188,770.06, 260,553.86 and 111,313.35

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Solution

The fourth proportional to 188,770.06, 260,553.86 and 111,313.35 is: 153,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,770.06 : 260,553.86 = 111,313.35 : x
  2. Step 2: Convert to fraction form
    188,770.06/260,553.86 = 111,313.35/x
  3. Step 3: Cross multiply
    188,770.06x = 260,553.86 × 111,313.35
  4. Step 4: Simplify right side
    188,770.06x = 29,003,123,385.13
  5. Step 5: Solve for x
    x = 29,003,123,385.13/188,770.06
  6. Step 6: Final answer
    x = 153,642.60

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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.