Home / 114,389.04-171,393.88-80,943.32

Finding the Fourth Proportional to 114,389.04, 171,393.88 and 80,943.32

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Solution

The fourth proportional to 114,389.04, 171,393.88 and 80,943.32 is: 121,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,389.04 : 171,393.88 = 80,943.32 : x
  2. Step 2: Convert to fraction form
    114,389.04/171,393.88 = 80,943.32/x
  3. Step 3: Cross multiply
    114,389.04x = 171,393.88 × 80,943.32
  4. Step 4: Simplify right side
    114,389.04x = 13,873,189,674.88
  5. Step 5: Solve for x
    x = 13,873,189,674.88/114,389.04
  6. Step 6: Final answer
    x = 121,280.76

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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.