Home / 175,509.19-263,166.54-81,963.91

Finding the Fourth Proportional to 175,509.19, 263,166.54 and 81,963.91

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Solution

The fourth proportional to 175,509.19, 263,166.54 and 81,963.91 is: 122,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,509.19 : 263,166.54 = 81,963.91 : x
  2. Step 2: Convert to fraction form
    175,509.19/263,166.54 = 81,963.91/x
  3. Step 3: Cross multiply
    175,509.19x = 263,166.54 × 81,963.91
  4. Step 4: Simplify right side
    175,509.19x = 21,570,158,599.57
  5. Step 5: Solve for x
    x = 21,570,158,599.57/175,509.19
  6. Step 6: Final answer
    x = 122,900.45

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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.