Home / 120,521.00-166,320.37-66,806.93

Finding the Fourth Proportional to 120,521.00, 166,320.37 and 66,806.93

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Solution

The fourth proportional to 120,521.00, 166,320.37 and 66,806.93 is: 92,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,521.00 : 166,320.37 = 66,806.93 : x
  2. Step 2: Convert to fraction form
    120,521.00/166,320.37 = 66,806.93/x
  3. Step 3: Cross multiply
    120,521.00x = 166,320.37 × 66,806.93
  4. Step 4: Simplify right side
    120,521.00x = 11,111,353,815.47
  5. Step 5: Solve for x
    x = 11,111,353,815.47/120,521.00
  6. Step 6: Final answer
    x = 92,194.34

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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.