Home / 340,869.54-470,403.36-187,913.64

Finding the Fourth Proportional to 340,869.54, 470,403.36 and 187,913.64

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Solution

The fourth proportional to 340,869.54, 470,403.36 and 187,913.64 is: 259,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,869.54 : 470,403.36 = 187,913.64 : x
  2. Step 2: Convert to fraction form
    340,869.54/470,403.36 = 187,913.64/x
  3. Step 3: Cross multiply
    340,869.54x = 470,403.36 × 187,913.64
  4. Step 4: Simplify right side
    340,869.54x = 88,395,207,645.83
  5. Step 5: Solve for x
    x = 88,395,207,645.83/340,869.54
  6. Step 6: Final answer
    x = 259,322.69

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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.