Home / 438,524.96-657,787.46-106,100.96

Finding the Fourth Proportional to 438,524.96, 657,787.46 and 106,100.96

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Solution

The fourth proportional to 438,524.96, 657,787.46 and 106,100.96 is: 159,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,524.96 : 657,787.46 = 106,100.96 : x
  2. Step 2: Convert to fraction form
    438,524.96/657,787.46 = 106,100.96/x
  3. Step 3: Cross multiply
    438,524.96x = 657,787.46 × 106,100.96
  4. Step 4: Simplify right side
    438,524.96x = 69,791,880,981.96
  5. Step 5: Solve for x
    x = 69,791,880,981.96/438,524.96
  6. Step 6: Final answer
    x = 159,151.44

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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.