Home / 120,451.53-166,216.16-66,733.34

Finding the Fourth Proportional to 120,451.53, 166,216.16 and 66,733.34

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Solution

The fourth proportional to 120,451.53, 166,216.16 and 66,733.34 is: 92,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,451.53 : 166,216.16 = 66,733.34 : x
  2. Step 2: Convert to fraction form
    120,451.53/166,216.16 = 66,733.34/x
  3. Step 3: Cross multiply
    120,451.53x = 166,216.16 × 66,733.34
  4. Step 4: Simplify right side
    120,451.53x = 11,092,159,477.84
  5. Step 5: Solve for x
    x = 11,092,159,477.84/120,451.53
  6. Step 6: Final answer
    x = 92,088.16

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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.