Home / 110,873.22-153,005.20-63,126.61

Finding the Fourth Proportional to 110,873.22, 153,005.20 and 63,126.61

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Solution

The fourth proportional to 110,873.22, 153,005.20 and 63,126.61 is: 87,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,873.22 : 153,005.20 = 63,126.61 : x
  2. Step 2: Convert to fraction form
    110,873.22/153,005.20 = 63,126.61/x
  3. Step 3: Cross multiply
    110,873.22x = 153,005.20 × 63,126.61
  4. Step 4: Simplify right side
    110,873.22x = 9,658,699,403.13
  5. Step 5: Solve for x
    x = 9,658,699,403.13/110,873.22
  6. Step 6: Final answer
    x = 87,114.81

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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.