Home / 112,557.46-168,529.80-79,227.58

Finding the Fourth Proportional to 112,557.46, 168,529.80 and 79,227.58

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Solution

The fourth proportional to 112,557.46, 168,529.80 and 79,227.58 is: 118,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,557.46 : 168,529.80 = 79,227.58 : x
  2. Step 2: Convert to fraction form
    112,557.46/168,529.80 = 79,227.58/x
  3. Step 3: Cross multiply
    112,557.46x = 168,529.80 × 79,227.58
  4. Step 4: Simplify right side
    112,557.46x = 13,352,208,211.88
  5. Step 5: Solve for x
    x = 13,352,208,211.88/112,557.46
  6. Step 6: Final answer
    x = 118,625.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.