Home / 112,173.36-154,793.76-66,850.32

Finding the Fourth Proportional to 112,173.36, 154,793.76 and 66,850.32

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Solution

The fourth proportional to 112,173.36, 154,793.76 and 66,850.32 is: 92,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,173.36 : 154,793.76 = 66,850.32 : x
  2. Step 2: Convert to fraction form
    112,173.36/154,793.76 = 66,850.32/x
  3. Step 3: Cross multiply
    112,173.36x = 154,793.76 × 66,850.32
  4. Step 4: Simplify right side
    112,173.36x = 10,348,012,390.00
  5. Step 5: Solve for x
    x = 10,348,012,390.00/112,173.36
  6. Step 6: Final answer
    x = 92,250.18

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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.