Home / 114,559.20-171,838.80-99,796.95

Finding the Fourth Proportional to 114,559.20, 171,838.80 and 99,796.95

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Solution

The fourth proportional to 114,559.20, 171,838.80 and 99,796.95 is: 149,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,559.20 : 171,838.80 = 99,796.95 : x
  2. Step 2: Convert to fraction form
    114,559.20/171,838.80 = 99,796.95/x
  3. Step 3: Cross multiply
    114,559.20x = 171,838.80 × 99,796.95
  4. Step 4: Simplify right side
    114,559.20x = 17,148,988,131.66
  5. Step 5: Solve for x
    x = 17,148,988,131.66/114,559.20
  6. Step 6: Final answer
    x = 149,695.43

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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.