Home / 340,784.40-470,263.28-187,822.14

Finding the Fourth Proportional to 340,784.40, 470,263.28 and 187,822.14

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Solution

The fourth proportional to 340,784.40, 470,263.28 and 187,822.14 is: 259,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,784.40 : 470,263.28 = 187,822.14 : x
  2. Step 2: Convert to fraction form
    340,784.40/470,263.28 = 187,822.14/x
  3. Step 3: Cross multiply
    340,784.40x = 470,263.28 × 187,822.14
  4. Step 4: Simplify right side
    340,784.40x = 88,325,854,673.91
  5. Step 5: Solve for x
    x = 88,325,854,673.91/340,784.40
  6. Step 6: Final answer
    x = 259,183.97

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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.