Home / 154,719.94-231,838.35-107,427.22

Finding the Fourth Proportional to 154,719.94, 231,838.35 and 107,427.22

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Solution

The fourth proportional to 154,719.94, 231,838.35 and 107,427.22 is: 160,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,719.94 : 231,838.35 = 107,427.22 : x
  2. Step 2: Convert to fraction form
    154,719.94/231,838.35 = 107,427.22/x
  3. Step 3: Cross multiply
    154,719.94x = 231,838.35 × 107,427.22
  4. Step 4: Simplify right side
    154,719.94x = 24,905,749,429.89
  5. Step 5: Solve for x
    x = 24,905,749,429.89/154,719.94
  6. Step 6: Final answer
    x = 160,973.11

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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.