Home / 112,243.14-154,917.63-66,898.44

Finding the Fourth Proportional to 112,243.14, 154,917.63 and 66,898.44

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Solution

The fourth proportional to 112,243.14, 154,917.63 and 66,898.44 is: 92,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,243.14 : 154,917.63 = 66,898.44 : x
  2. Step 2: Convert to fraction form
    112,243.14/154,917.63 = 66,898.44/x
  3. Step 3: Cross multiply
    112,243.14x = 154,917.63 × 66,898.44
  4. Step 4: Simplify right side
    112,243.14x = 10,363,747,775.50
  5. Step 5: Solve for x
    x = 10,363,747,775.50/112,243.14
  6. Step 6: Final answer
    x = 92,333.02

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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.