Home / 114,381.04-171,381.88-80,935.32

Finding the Fourth Proportional to 114,381.04, 171,381.88 and 80,935.32

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Solution

The fourth proportional to 114,381.04, 171,381.88 and 80,935.32 is: 121,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,381.04 : 171,381.88 = 80,935.32 : x
  2. Step 2: Convert to fraction form
    114,381.04/171,381.88 = 80,935.32/x
  3. Step 3: Cross multiply
    114,381.04x = 171,381.88 × 80,935.32
  4. Step 4: Simplify right side
    114,381.04x = 13,870,847,300.00
  5. Step 5: Solve for x
    x = 13,870,847,300.00/114,381.04
  6. Step 6: Final answer
    x = 121,268.76

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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.