Home / 340,939.18-470,401.59-195,744.25

Finding the Fourth Proportional to 340,939.18, 470,401.59 and 195,744.25

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Solution

The fourth proportional to 340,939.18, 470,401.59 and 195,744.25 is: 270,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,939.18 : 470,401.59 = 195,744.25 : x
  2. Step 2: Convert to fraction form
    340,939.18/470,401.59 = 195,744.25/x
  3. Step 3: Cross multiply
    340,939.18x = 470,401.59 × 195,744.25
  4. Step 4: Simplify right side
    340,939.18x = 92,078,406,433.36
  5. Step 5: Solve for x
    x = 92,078,406,433.36/340,939.18
  6. Step 6: Final answer
    x = 270,072.82

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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.