Home / 340,564.08-470,015.35-187,617.95

Finding the Fourth Proportional to 340,564.08, 470,015.35 and 187,617.95

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Solution

The fourth proportional to 340,564.08, 470,015.35 and 187,617.95 is: 258,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,564.08 : 470,015.35 = 187,617.95 : x
  2. Step 2: Convert to fraction form
    340,564.08/470,015.35 = 187,617.95/x
  3. Step 3: Cross multiply
    340,564.08x = 470,015.35 × 187,617.95
  4. Step 4: Simplify right side
    340,564.08x = 88,183,313,793.21
  5. Step 5: Solve for x
    x = 88,183,313,793.21/340,564.08
  6. Step 6: Final answer
    x = 258,933.10

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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.