Home / 104,188.10-143,779.46-56,441.66

Finding the Fourth Proportional to 104,188.10, 143,779.46 and 56,441.66

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Solution

The fourth proportional to 104,188.10, 143,779.46 and 56,441.66 is: 77,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,188.10 : 143,779.46 = 56,441.66 : x
  2. Step 2: Convert to fraction form
    104,188.10/143,779.46 = 56,441.66/x
  3. Step 3: Cross multiply
    104,188.10x = 143,779.46 × 56,441.66
  4. Step 4: Simplify right side
    104,188.10x = 8,115,151,396.30
  5. Step 5: Solve for x
    x = 8,115,151,396.30/104,188.10
  6. Step 6: Final answer
    x = 77,889.43

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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.