Home / 110,976.12-153,147.18-63,229.32

Finding the Fourth Proportional to 110,976.12, 153,147.18 and 63,229.32

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Solution

The fourth proportional to 110,976.12, 153,147.18 and 63,229.32 is: 87,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,976.12 : 153,147.18 = 63,229.32 : x
  2. Step 2: Convert to fraction form
    110,976.12/153,147.18 = 63,229.32/x
  3. Step 3: Cross multiply
    110,976.12x = 153,147.18 × 63,229.32
  4. Step 4: Simplify right side
    110,976.12x = 9,683,392,051.32
  5. Step 5: Solve for x
    x = 9,683,392,051.32/110,976.12
  6. Step 6: Final answer
    x = 87,256.54

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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.