Home / 188,796.30-260,502.93-120,761.16

Finding the Fourth Proportional to 188,796.30, 260,502.93 and 120,761.16

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Solution

The fourth proportional to 188,796.30, 260,502.93 and 120,761.16 is: 166,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,796.30 : 260,502.93 = 120,761.16 : x
  2. Step 2: Convert to fraction form
    188,796.30/260,502.93 = 120,761.16/x
  3. Step 3: Cross multiply
    188,796.30x = 260,502.93 × 120,761.16
  4. Step 4: Simplify right side
    188,796.30x = 31,458,636,010.20
  5. Step 5: Solve for x
    x = 31,458,636,010.20/188,796.30
  6. Step 6: Final answer
    x = 166,627.40

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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.