Home / 109,825.76-163,325.76-106,326.56

Finding the Fourth Proportional to 109,825.76, 163,325.76 and 106,326.56

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Solution

The fourth proportional to 109,825.76, 163,325.76 and 106,326.56 is: 158,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,825.76 : 163,325.76 = 106,326.56 : x
  2. Step 2: Convert to fraction form
    109,825.76/163,325.76 = 106,326.56/x
  3. Step 3: Cross multiply
    109,825.76x = 163,325.76 × 106,326.56
  4. Step 4: Simplify right side
    109,825.76x = 17,365,866,220.19
  5. Step 5: Solve for x
    x = 17,365,866,220.19/109,825.76
  6. Step 6: Final answer
    x = 158,121.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.