Home / 120,852.36-166,772.52-67,135.98

Finding the Fourth Proportional to 120,852.36, 166,772.52 and 67,135.98

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Solution

The fourth proportional to 120,852.36, 166,772.52 and 67,135.98 is: 92,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852.36 : 166,772.52 = 67,135.98 : x
  2. Step 2: Convert to fraction form
    120,852.36/166,772.52 = 67,135.98/x
  3. Step 3: Cross multiply
    120,852.36x = 166,772.52 × 67,135.98
  4. Step 4: Simplify right side
    120,852.36x = 11,196,436,567.27
  5. Step 5: Solve for x
    x = 11,196,436,567.27/120,852.36
  6. Step 6: Final answer
    x = 92,645.58

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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.