Home / 120,983.51-166,953.80-67,267.55

Finding the Fourth Proportional to 120,983.51, 166,953.80 and 67,267.55

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Solution

The fourth proportional to 120,983.51, 166,953.80 and 67,267.55 is: 92,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,983.51 : 166,953.80 = 67,267.55 : x
  2. Step 2: Convert to fraction form
    120,983.51/166,953.80 = 67,267.55/x
  3. Step 3: Cross multiply
    120,983.51x = 166,953.80 × 67,267.55
  4. Step 4: Simplify right side
    120,983.51x = 11,230,571,918.08
  5. Step 5: Solve for x
    x = 11,230,571,918.08/120,983.51
  6. Step 6: Final answer
    x = 92,827.30

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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.