Home / 215,091.92-322,357.56-109,822.16

Finding the Fourth Proportional to 215,091.92, 322,357.56 and 109,822.16

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Solution

The fourth proportional to 215,091.92, 322,357.56 and 109,822.16 is: 164,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,091.92 : 322,357.56 = 109,822.16 : x
  2. Step 2: Convert to fraction form
    215,091.92/322,357.56 = 109,822.16/x
  3. Step 3: Cross multiply
    215,091.92x = 322,357.56 × 109,822.16
  4. Step 4: Simplify right side
    215,091.92x = 35,402,003,531.53
  5. Step 5: Solve for x
    x = 35,402,003,531.53/215,091.92
  6. Step 6: Final answer
    x = 164,590.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.