Home / 120,795.10-166,698.87-67,083.58

Finding the Fourth Proportional to 120,795.10, 166,698.87 and 67,083.58

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Solution

The fourth proportional to 120,795.10, 166,698.87 and 67,083.58 is: 92,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,795.10 : 166,698.87 = 67,083.58 : x
  2. Step 2: Convert to fraction form
    120,795.10/166,698.87 = 67,083.58/x
  3. Step 3: Cross multiply
    120,795.10x = 166,698.87 × 67,083.58
  4. Step 4: Simplify right side
    120,795.10x = 11,182,756,981.55
  5. Step 5: Solve for x
    x = 11,182,756,981.55/120,795.10
  6. Step 6: Final answer
    x = 92,576.25

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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.