Home / 117,440.51-176,159.21-28,694.78

Finding the Fourth Proportional to 117,440.51, 176,159.21 and 28,694.78

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Solution

The fourth proportional to 117,440.51, 176,159.21 and 28,694.78 is: 43,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,440.51 : 176,159.21 = 28,694.78 : x
  2. Step 2: Convert to fraction form
    117,440.51/176,159.21 = 28,694.78/x
  3. Step 3: Cross multiply
    117,440.51x = 176,159.21 × 28,694.78
  4. Step 4: Simplify right side
    117,440.51x = 5,054,848,751.65
  5. Step 5: Solve for x
    x = 5,054,848,751.65/117,440.51
  6. Step 6: Final answer
    x = 43,041.78

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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.