Home / 111,556.86-153,948.15-66,844.86

Finding the Fourth Proportional to 111,556.86, 153,948.15 and 66,844.86

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Solution

The fourth proportional to 111,556.86, 153,948.15 and 66,844.86 is: 92,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,556.86 : 153,948.15 = 66,844.86 : x
  2. Step 2: Convert to fraction form
    111,556.86/153,948.15 = 66,844.86/x
  3. Step 3: Cross multiply
    111,556.86x = 153,948.15 × 66,844.86
  4. Step 4: Simplify right side
    111,556.86x = 10,290,642,534.01
  5. Step 5: Solve for x
    x = 10,290,642,534.01/111,556.86
  6. Step 6: Final answer
    x = 92,245.72

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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.