Home / 140,408.10-193,848.93-91,396.44

Finding the Fourth Proportional to 140,408.10, 193,848.93 and 91,396.44

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Solution

The fourth proportional to 140,408.10, 193,848.93 and 91,396.44 is: 126,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,408.10 : 193,848.93 = 91,396.44 : x
  2. Step 2: Convert to fraction form
    140,408.10/193,848.93 = 91,396.44/x
  3. Step 3: Cross multiply
    140,408.10x = 193,848.93 × 91,396.44
  4. Step 4: Simplify right side
    140,408.10x = 17,717,102,099.81
  5. Step 5: Solve for x
    x = 17,717,102,099.81/140,408.10
  6. Step 6: Final answer
    x = 126,182.91

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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.