Home / 112,206.42-154,825.83-66,883.59

Finding the Fourth Proportional to 112,206.42, 154,825.83 and 66,883.59

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Solution

The fourth proportional to 112,206.42, 154,825.83 and 66,883.59 is: 92,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.42 : 154,825.83 = 66,883.59 : x
  2. Step 2: Convert to fraction form
    112,206.42/154,825.83 = 66,883.59/x
  3. Step 3: Cross multiply
    112,206.42x = 154,825.83 × 66,883.59
  4. Step 4: Simplify right side
    112,206.42x = 10,355,307,335.13
  5. Step 5: Solve for x
    x = 10,355,307,335.13/112,206.42
  6. Step 6: Final answer
    x = 92,288.01

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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.