Home / 152,770.36-229,323.10-121,382.12

Finding the Fourth Proportional to 152,770.36, 229,323.10 and 121,382.12

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Solution

The fourth proportional to 152,770.36, 229,323.10 and 121,382.12 is: 182,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,770.36 : 229,323.10 = 121,382.12 : x
  2. Step 2: Convert to fraction form
    152,770.36/229,323.10 = 121,382.12/x
  3. Step 3: Cross multiply
    152,770.36x = 229,323.10 × 121,382.12
  4. Step 4: Simplify right side
    152,770.36x = 27,835,724,042.97
  5. Step 5: Solve for x
    x = 27,835,724,042.97/152,770.36
  6. Step 6: Final answer
    x = 182,206.31

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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.