Home / 111,256.75-153,540.80-63,525.07

Finding the Fourth Proportional to 111,256.75, 153,540.80 and 63,525.07

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Solution

The fourth proportional to 111,256.75, 153,540.80 and 63,525.07 is: 87,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,256.75 : 153,540.80 = 63,525.07 : x
  2. Step 2: Convert to fraction form
    111,256.75/153,540.80 = 63,525.07/x
  3. Step 3: Cross multiply
    111,256.75x = 153,540.80 × 63,525.07
  4. Step 4: Simplify right side
    111,256.75x = 9,753,690,067.86
  5. Step 5: Solve for x
    x = 9,753,690,067.86/111,256.75
  6. Step 6: Final answer
    x = 87,668.30

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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.