Home / 148,100.16-204,165.66-105,584.88

Finding the Fourth Proportional to 148,100.16, 204,165.66 and 105,584.88

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Solution

The fourth proportional to 148,100.16, 204,165.66 and 105,584.88 is: 145,555.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,100.16 : 204,165.66 = 105,584.88 : x
  2. Step 2: Convert to fraction form
    148,100.16/204,165.66 = 105,584.88/x
  3. Step 3: Cross multiply
    148,100.16x = 204,165.66 × 105,584.88
  4. Step 4: Simplify right side
    148,100.16x = 21,556,806,711.22
  5. Step 5: Solve for x
    x = 21,556,806,711.22/148,100.16
  6. Step 6: Final answer
    x = 145,555.59

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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.