Home / 111,036.83-166,555.24-68,226.30

Finding the Fourth Proportional to 111,036.83, 166,555.24 and 68,226.30

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Solution

The fourth proportional to 111,036.83, 166,555.24 and 68,226.30 is: 102,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,036.83 : 166,555.24 = 68,226.30 : x
  2. Step 2: Convert to fraction form
    111,036.83/166,555.24 = 68,226.30/x
  3. Step 3: Cross multiply
    111,036.83x = 166,555.24 × 68,226.30
  4. Step 4: Simplify right side
    111,036.83x = 11,363,447,600.25
  5. Step 5: Solve for x
    x = 11,363,447,600.25/111,036.83
  6. Step 6: Final answer
    x = 102,339.45

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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.