Home / 104,149.58-143,726.94-56,403.14

Finding the Fourth Proportional to 104,149.58, 143,726.94 and 56,403.14

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Solution

The fourth proportional to 104,149.58, 143,726.94 and 56,403.14 is: 77,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,149.58 : 143,726.94 = 56,403.14 : x
  2. Step 2: Convert to fraction form
    104,149.58/143,726.94 = 56,403.14/x
  3. Step 3: Cross multiply
    104,149.58x = 143,726.94 × 56,403.14
  4. Step 4: Simplify right side
    104,149.58x = 8,106,649,999.96
  5. Step 5: Solve for x
    x = 8,106,649,999.96/104,149.58
  6. Step 6: Final answer
    x = 77,836.61

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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.