Home / 155,187.80-214,240.92-104,467.24

Finding the Fourth Proportional to 155,187.80, 214,240.92 and 104,467.24

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Solution

The fourth proportional to 155,187.80, 214,240.92 and 104,467.24 is: 144,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,187.80 : 214,240.92 = 104,467.24 : x
  2. Step 2: Convert to fraction form
    155,187.80/214,240.92 = 104,467.24/x
  3. Step 3: Cross multiply
    155,187.80x = 214,240.92 × 104,467.24
  4. Step 4: Simplify right side
    155,187.80x = 22,381,157,607.46
  5. Step 5: Solve for x
    x = 22,381,157,607.46/155,187.80
  6. Step 6: Final answer
    x = 144,219.83

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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.