Home / 112,115.34-168,144.36-33,211.11

Finding the Fourth Proportional to 112,115.34, 168,144.36 and 33,211.11

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Solution

The fourth proportional to 112,115.34, 168,144.36 and 33,211.11 is: 49,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,115.34 : 168,144.36 = 33,211.11 : x
  2. Step 2: Convert to fraction form
    112,115.34/168,144.36 = 33,211.11/x
  3. Step 3: Cross multiply
    112,115.34x = 168,144.36 × 33,211.11
  4. Step 4: Simplify right side
    112,115.34x = 5,584,260,835.84
  5. Step 5: Solve for x
    x = 5,584,260,835.84/112,115.34
  6. Step 6: Final answer
    x = 49,808.18

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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.