Home / 340,877.39-470,414.10-187,921.58

Finding the Fourth Proportional to 340,877.39, 470,414.10 and 187,921.58

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Solution

The fourth proportional to 340,877.39, 470,414.10 and 187,921.58 is: 259,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,877.39 : 470,414.10 = 187,921.58 : x
  2. Step 2: Convert to fraction form
    340,877.39/470,414.10 = 187,921.58/x
  3. Step 3: Cross multiply
    340,877.39x = 470,414.10 × 187,921.58
  4. Step 4: Simplify right side
    340,877.39x = 88,400,958,574.21
  5. Step 5: Solve for x
    x = 88,400,958,574.21/340,877.39
  6. Step 6: Final answer
    x = 259,333.60

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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.