Home / 161,533.77-222,878.52-135,790.22

Finding the Fourth Proportional to 161,533.77, 222,878.52 and 135,790.22

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Solution

The fourth proportional to 161,533.77, 222,878.52 and 135,790.22 is: 187,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,533.77 : 222,878.52 = 135,790.22 : x
  2. Step 2: Convert to fraction form
    161,533.77/222,878.52 = 135,790.22/x
  3. Step 3: Cross multiply
    161,533.77x = 222,878.52 × 135,790.22
  4. Step 4: Simplify right side
    161,533.77x = 30,264,722,149.68
  5. Step 5: Solve for x
    x = 30,264,722,149.68/161,533.77
  6. Step 6: Final answer
    x = 187,358.48

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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.