Home / 112,255.60-168,383.16-45,680.89

Finding the Fourth Proportional to 112,255.60, 168,383.16 and 45,680.89

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Solution

The fourth proportional to 112,255.60, 168,383.16 and 45,680.89 is: 68,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,255.60 : 168,383.16 = 45,680.89 : x
  2. Step 2: Convert to fraction form
    112,255.60/168,383.16 = 45,680.89/x
  3. Step 3: Cross multiply
    112,255.60x = 168,383.16 × 45,680.89
  4. Step 4: Simplify right side
    112,255.60x = 7,691,892,609.81
  5. Step 5: Solve for x
    x = 7,691,892,609.81/112,255.60
  6. Step 6: Final answer
    x = 68,521.24

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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.