Home / 340,766.02-470,260.20-187,809.67

Finding the Fourth Proportional to 340,766.02, 470,260.20 and 187,809.67

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Solution

The fourth proportional to 340,766.02, 470,260.20 and 187,809.67 is: 259,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,766.02 : 470,260.20 = 187,809.67 : x
  2. Step 2: Convert to fraction form
    340,766.02/470,260.20 = 187,809.67/x
  3. Step 3: Cross multiply
    340,766.02x = 470,260.20 × 187,809.67
  4. Step 4: Simplify right side
    340,766.02x = 88,319,412,976.13
  5. Step 5: Solve for x
    x = 88,319,412,976.13/340,766.02
  6. Step 6: Final answer
    x = 259,179.05

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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.