Home / 122,045.32-168,408.13-70,361.83

Finding the Fourth Proportional to 122,045.32, 168,408.13 and 70,361.83

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Solution

The fourth proportional to 122,045.32, 168,408.13 and 70,361.83 is: 97,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,045.32 : 168,408.13 = 70,361.83 : x
  2. Step 2: Convert to fraction form
    122,045.32/168,408.13 = 70,361.83/x
  3. Step 3: Cross multiply
    122,045.32x = 168,408.13 × 70,361.83
  4. Step 4: Simplify right side
    122,045.32x = 11,849,504,213.68
  5. Step 5: Solve for x
    x = 11,849,504,213.68/122,045.32
  6. Step 6: Final answer
    x = 97,091.02

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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.