Home / 112,027.04-154,493.44-81,764.46

Finding the Fourth Proportional to 112,027.04, 154,493.44 and 81,764.46

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Solution

The fourth proportional to 112,027.04, 154,493.44 and 81,764.46 is: 112,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,027.04 : 154,493.44 = 81,764.46 : x
  2. Step 2: Convert to fraction form
    112,027.04/154,493.44 = 81,764.46/x
  3. Step 3: Cross multiply
    112,027.04x = 154,493.44 × 81,764.46
  4. Step 4: Simplify right side
    112,027.04x = 12,632,072,695.14
  5. Step 5: Solve for x
    x = 12,632,072,695.14/112,027.04
  6. Step 6: Final answer
    x = 112,759.14

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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.