Home / 340,938.18-470,400.21-195,743.25

Finding the Fourth Proportional to 340,938.18, 470,400.21 and 195,743.25

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Solution

The fourth proportional to 340,938.18, 470,400.21 and 195,743.25 is: 270,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,938.18 : 470,400.21 = 195,743.25 : x
  2. Step 2: Convert to fraction form
    340,938.18/470,400.21 = 195,743.25/x
  3. Step 3: Cross multiply
    340,938.18x = 470,400.21 × 195,743.25
  4. Step 4: Simplify right side
    340,938.18x = 92,077,665,906.08
  5. Step 5: Solve for x
    x = 92,077,665,906.08/340,938.18
  6. Step 6: Final answer
    x = 270,071.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.