Home / 104,188.26-143,779.86-56,441.79

Finding the Fourth Proportional to 104,188.26, 143,779.86 and 56,441.79

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Solution

The fourth proportional to 104,188.26, 143,779.86 and 56,441.79 is: 77,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,188.26 : 143,779.86 = 56,441.79 : x
  2. Step 2: Convert to fraction form
    104,188.26/143,779.86 = 56,441.79/x
  3. Step 3: Cross multiply
    104,188.26x = 143,779.86 × 56,441.79
  4. Step 4: Simplify right side
    104,188.26x = 8,115,192,664.35
  5. Step 5: Solve for x
    x = 8,115,192,664.35/104,188.26
  6. Step 6: Final answer
    x = 77,889.70

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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.