Home / 156,172.96-215,518.38-84,552.97

Finding the Fourth Proportional to 156,172.96, 215,518.38 and 84,552.97

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Solution

The fourth proportional to 156,172.96, 215,518.38 and 84,552.97 is: 116,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,172.96 : 215,518.38 = 84,552.97 : x
  2. Step 2: Convert to fraction form
    156,172.96/215,518.38 = 84,552.97/x
  3. Step 3: Cross multiply
    156,172.96x = 215,518.38 × 84,552.97
  4. Step 4: Simplify right side
    156,172.96x = 18,222,719,118.59
  5. Step 5: Solve for x
    x = 18,222,719,118.59/156,172.96
  6. Step 6: Final answer
    x = 116,682.93

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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.