Home / 180,236.25-270,369.75-47,116.29

Finding the Fourth Proportional to 180,236.25, 270,369.75 and 47,116.29

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Solution

The fourth proportional to 180,236.25, 270,369.75 and 47,116.29 is: 70,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,236.25 : 270,369.75 = 47,116.29 : x
  2. Step 2: Convert to fraction form
    180,236.25/270,369.75 = 47,116.29/x
  3. Step 3: Cross multiply
    180,236.25x = 270,369.75 × 47,116.29
  4. Step 4: Simplify right side
    180,236.25x = 12,738,819,548.23
  5. Step 5: Solve for x
    x = 12,738,819,548.23/180,236.25
  6. Step 6: Final answer
    x = 70,678.45

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1.5x scale

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.