Home / 164,743.46-247,153.19-69,976.70

Finding the Fourth Proportional to 164,743.46, 247,153.19 and 69,976.70

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Solution

The fourth proportional to 164,743.46, 247,153.19 and 69,976.70 is: 104,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,743.46 : 247,153.19 = 69,976.70 : x
  2. Step 2: Convert to fraction form
    164,743.46/247,153.19 = 69,976.70/x
  3. Step 3: Cross multiply
    164,743.46x = 247,153.19 × 69,976.70
  4. Step 4: Simplify right side
    164,743.46x = 17,294,963,045.02
  5. Step 5: Solve for x
    x = 17,294,963,045.02/164,743.46
  6. Step 6: Final answer
    x = 104,981.18

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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.