Home / 351,239.40-526,977.36-111,392.64

Finding the Fourth Proportional to 351,239.40, 526,977.36 and 111,392.64

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Solution

The fourth proportional to 351,239.40, 526,977.36 and 111,392.64 is: 167,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,239.40 : 526,977.36 = 111,392.64 : x
  2. Step 2: Convert to fraction form
    351,239.40/526,977.36 = 111,392.64/x
  3. Step 3: Cross multiply
    351,239.40x = 526,977.36 × 111,392.64
  4. Step 4: Simplify right side
    351,239.40x = 58,701,399,350.63
  5. Step 5: Solve for x
    x = 58,701,399,350.63/351,239.40
  6. Step 6: Final answer
    x = 167,126.47

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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.