Home / 180,256.72-270,400.88-47,136.46

Finding the Fourth Proportional to 180,256.72, 270,400.88 and 47,136.46

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Solution

The fourth proportional to 180,256.72, 270,400.88 and 47,136.46 is: 70,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,256.72 : 270,400.88 = 47,136.46 : x
  2. Step 2: Convert to fraction form
    180,256.72/270,400.88 = 47,136.46/x
  3. Step 3: Cross multiply
    180,256.72x = 270,400.88 × 47,136.46
  4. Step 4: Simplify right side
    180,256.72x = 12,745,740,264.08
  5. Step 5: Solve for x
    x = 12,745,740,264.08/180,256.72
  6. Step 6: Final answer
    x = 70,708.82

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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.