Home / 114,410.40-171,385.20-79,389.60

Finding the Fourth Proportional to 114,410.40, 171,385.20 and 79,389.60

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Solution

The fourth proportional to 114,410.40, 171,385.20 and 79,389.60 is: 118,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,410.40 : 171,385.20 = 79,389.60 : x
  2. Step 2: Convert to fraction form
    114,410.40/171,385.20 = 79,389.60/x
  3. Step 3: Cross multiply
    114,410.40x = 171,385.20 × 79,389.60
  4. Step 4: Simplify right side
    114,410.40x = 13,606,202,473.92
  5. Step 5: Solve for x
    x = 13,606,202,473.92/114,410.40
  6. Step 6: Final answer
    x = 118,924.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.