Home / 148,770.27-205,326.16-84,242.84

Finding the Fourth Proportional to 148,770.27, 205,326.16 and 84,242.84

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Solution

The fourth proportional to 148,770.27, 205,326.16 and 84,242.84 is: 116,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,770.27 : 205,326.16 = 84,242.84 : x
  2. Step 2: Convert to fraction form
    148,770.27/205,326.16 = 84,242.84/x
  3. Step 3: Cross multiply
    148,770.27x = 205,326.16 × 84,242.84
  4. Step 4: Simplify right side
    148,770.27x = 17,297,257,607.46
  5. Step 5: Solve for x
    x = 17,297,257,607.46/148,770.27
  6. Step 6: Final answer
    x = 116,268.24

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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.