Home / 104,162.33-143,744.69-56,416.25

Finding the Fourth Proportional to 104,162.33, 143,744.69 and 56,416.25

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Solution

The fourth proportional to 104,162.33, 143,744.69 and 56,416.25 is: 77,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,162.33 : 143,744.69 = 56,416.25 : x
  2. Step 2: Convert to fraction form
    104,162.33/143,744.69 = 56,416.25/x
  3. Step 3: Cross multiply
    104,162.33x = 143,744.69 × 56,416.25
  4. Step 4: Simplify right side
    104,162.33x = 8,109,536,367.21
  5. Step 5: Solve for x
    x = 8,109,536,367.21/104,162.33
  6. Step 6: Final answer
    x = 77,854.79

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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.