Home / 106,478.01-146,640.63-104,152.95

Finding the Fourth Proportional to 106,478.01, 146,640.63 and 104,152.95

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Solution

The fourth proportional to 106,478.01, 146,640.63 and 104,152.95 is: 143,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,478.01 : 146,640.63 = 104,152.95 : x
  2. Step 2: Convert to fraction form
    106,478.01/146,640.63 = 104,152.95/x
  3. Step 3: Cross multiply
    106,478.01x = 146,640.63 × 104,152.95
  4. Step 4: Simplify right side
    106,478.01x = 15,273,054,204.36
  5. Step 5: Solve for x
    x = 15,273,054,204.36/106,478.01
  6. Step 6: Final answer
    x = 143,438.58

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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.