Home / 104,216.49-143,819.42-56,470.23

Finding the Fourth Proportional to 104,216.49, 143,819.42 and 56,470.23

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Solution

The fourth proportional to 104,216.49, 143,819.42 and 56,470.23 is: 77,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,216.49 : 143,819.42 = 56,470.23 : x
  2. Step 2: Convert to fraction form
    104,216.49/143,819.42 = 56,470.23/x
  3. Step 3: Cross multiply
    104,216.49x = 143,819.42 × 56,470.23
  4. Step 4: Simplify right side
    104,216.49x = 8,121,515,443.52
  5. Step 5: Solve for x
    x = 8,121,515,443.52/104,216.49
  6. Step 6: Final answer
    x = 77,929.27

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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.