Home / 111,181.91-153,431.14-60,194.68

Finding the Fourth Proportional to 111,181.91, 153,431.14 and 60,194.68

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Solution

The fourth proportional to 111,181.91, 153,431.14 and 60,194.68 is: 83,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,181.91 : 153,431.14 = 60,194.68 : x
  2. Step 2: Convert to fraction form
    111,181.91/153,431.14 = 60,194.68/x
  3. Step 3: Cross multiply
    111,181.91x = 153,431.14 × 60,194.68
  4. Step 4: Simplify right side
    111,181.91x = 9,235,737,840.27
  5. Step 5: Solve for x
    x = 9,235,737,840.27/111,181.91
  6. Step 6: Final answer
    x = 83,068.71

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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.