Home / 192,619.04-265,809.16-106,575.78

Finding the Fourth Proportional to 192,619.04, 265,809.16 and 106,575.78

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Solution

The fourth proportional to 192,619.04, 265,809.16 and 106,575.78 is: 147,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,619.04 : 265,809.16 = 106,575.78 : x
  2. Step 2: Convert to fraction form
    192,619.04/265,809.16 = 106,575.78/x
  3. Step 3: Cross multiply
    192,619.04x = 265,809.16 × 106,575.78
  4. Step 4: Simplify right side
    192,619.04x = 28,328,816,995.77
  5. Step 5: Solve for x
    x = 28,328,816,995.77/192,619.04
  6. Step 6: Final answer
    x = 147,071.74

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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.