Home / 134,821.62-186,053.69-74,392.25

Finding the Fourth Proportional to 134,821.62, 186,053.69 and 74,392.25

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Solution

The fourth proportional to 134,821.62, 186,053.69 and 74,392.25 is: 102,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,821.62 : 186,053.69 = 74,392.25 : x
  2. Step 2: Convert to fraction form
    134,821.62/186,053.69 = 74,392.25/x
  3. Step 3: Cross multiply
    134,821.62x = 186,053.69 × 74,392.25
  4. Step 4: Simplify right side
    134,821.62x = 13,840,951,875.61
  5. Step 5: Solve for x
    x = 13,840,951,875.61/134,821.62
  6. Step 6: Final answer
    x = 102,661.22

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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.