Home / 144,045.54-198,796.07-79,526.31

Finding the Fourth Proportional to 144,045.54, 198,796.07 and 79,526.31

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Solution

The fourth proportional to 144,045.54, 198,796.07 and 79,526.31 is: 109,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,045.54 : 198,796.07 = 79,526.31 : x
  2. Step 2: Convert to fraction form
    144,045.54/198,796.07 = 79,526.31/x
  3. Step 3: Cross multiply
    144,045.54x = 198,796.07 × 79,526.31
  4. Step 4: Simplify right side
    144,045.54x = 15,809,517,342.93
  5. Step 5: Solve for x
    x = 15,809,517,342.93/144,045.54
  6. Step 6: Final answer
    x = 109,753.61

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1.5x scale

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.