Home / 351,161.70-526,606.47-126,474.18

Finding the Fourth Proportional to 351,161.70, 526,606.47 and 126,474.18

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Solution

The fourth proportional to 351,161.70, 526,606.47 and 126,474.18 is: 189,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,161.70 : 526,606.47 = 126,474.18 : x
  2. Step 2: Convert to fraction form
    351,161.70/526,606.47 = 126,474.18/x
  3. Step 3: Cross multiply
    351,161.70x = 526,606.47 × 126,474.18
  4. Step 4: Simplify right side
    351,161.70x = 66,602,121,475.94
  5. Step 5: Solve for x
    x = 66,602,121,475.94/351,161.70
  6. Step 6: Final answer
    x = 189,662.26

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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.