Home / 313,259.20-470,034.60-163,668.40

Finding the Fourth Proportional to 313,259.20, 470,034.60 and 163,668.40

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Solution

The fourth proportional to 313,259.20, 470,034.60 and 163,668.40 is: 245,578.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,259.20 : 470,034.60 = 163,668.40 : x
  2. Step 2: Convert to fraction form
    313,259.20/470,034.60 = 163,668.40/x
  3. Step 3: Cross multiply
    313,259.20x = 470,034.60 × 163,668.40
  4. Step 4: Simplify right side
    313,259.20x = 76,929,810,926.64
  5. Step 5: Solve for x
    x = 76,929,810,926.64/313,259.20
  6. Step 6: Final answer
    x = 245,578.78

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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.