Home / 168,845.16-234,071.85-159,856.68

Finding the Fourth Proportional to 168,845.16, 234,071.85 and 159,856.68

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Solution

The fourth proportional to 168,845.16, 234,071.85 and 159,856.68 is: 221,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,845.16 : 234,071.85 = 159,856.68 : x
  2. Step 2: Convert to fraction form
    168,845.16/234,071.85 = 159,856.68/x
  3. Step 3: Cross multiply
    168,845.16x = 234,071.85 × 159,856.68
  4. Step 4: Simplify right side
    168,845.16x = 37,417,948,822.46
  5. Step 5: Solve for x
    x = 37,417,948,822.46/168,845.16
  6. Step 6: Final answer
    x = 221,611.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.