Home / 161,415.96-222,761.20-134,513.40

Finding the Fourth Proportional to 161,415.96, 222,761.20 and 134,513.40

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Solution

The fourth proportional to 161,415.96, 222,761.20 and 134,513.40 is: 185,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,415.96 : 222,761.20 = 134,513.40 : x
  2. Step 2: Convert to fraction form
    161,415.96/222,761.20 = 134,513.40/x
  3. Step 3: Cross multiply
    161,415.96x = 222,761.20 × 134,513.40
  4. Step 4: Simplify right side
    161,415.96x = 29,964,366,400.08
  5. Step 5: Solve for x
    x = 29,964,366,400.08/161,415.96
  6. Step 6: Final answer
    x = 185,634.47

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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.