Home / 164,943.54-247,296.24-70,121.70

Finding the Fourth Proportional to 164,943.54, 247,296.24 and 70,121.70

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Solution

The fourth proportional to 164,943.54, 247,296.24 and 70,121.70 is: 105,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,943.54 : 247,296.24 = 70,121.70 : x
  2. Step 2: Convert to fraction form
    164,943.54/247,296.24 = 70,121.70/x
  3. Step 3: Cross multiply
    164,943.54x = 247,296.24 × 70,121.70
  4. Step 4: Simplify right side
    164,943.54x = 17,340,832,752.41
  5. Step 5: Solve for x
    x = 17,340,832,752.41/164,943.54
  6. Step 6: Final answer
    x = 105,131.93

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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.