Home / 348,909.21-523,031.31-112,085.60

Finding the Fourth Proportional to 348,909.21, 523,031.31 and 112,085.60

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Solution

The fourth proportional to 348,909.21, 523,031.31 and 112,085.60 is: 168,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,909.21 : 523,031.31 = 112,085.60 : x
  2. Step 2: Convert to fraction form
    348,909.21/523,031.31 = 112,085.60/x
  3. Step 3: Cross multiply
    348,909.21x = 523,031.31 × 112,085.60
  4. Step 4: Simplify right side
    348,909.21x = 58,624,275,584.98
  5. Step 5: Solve for x
    x = 58,624,275,584.98/348,909.21
  6. Step 6: Final answer
    x = 168,021.58

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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.