Home / 112,209.06-168,212.16-76,197.53

Finding the Fourth Proportional to 112,209.06, 168,212.16 and 76,197.53

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Solution

The fourth proportional to 112,209.06, 168,212.16 and 76,197.53 is: 114,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,209.06 : 168,212.16 = 76,197.53 : x
  2. Step 2: Convert to fraction form
    112,209.06/168,212.16 = 76,197.53/x
  3. Step 3: Cross multiply
    112,209.06x = 168,212.16 × 76,197.53
  4. Step 4: Simplify right side
    112,209.06x = 12,817,351,528.50
  5. Step 5: Solve for x
    x = 12,817,351,528.50/112,209.06
  6. Step 6: Final answer
    x = 114,227.42

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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.