Home / 340,916.22-470,467.53-187,959.81

Finding the Fourth Proportional to 340,916.22, 470,467.53 and 187,959.81

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Solution

The fourth proportional to 340,916.22, 470,467.53 and 187,959.81 is: 259,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,916.22 : 470,467.53 = 187,959.81 : x
  2. Step 2: Convert to fraction form
    340,916.22/470,467.53 = 187,959.81/x
  3. Step 3: Cross multiply
    340,916.22x = 470,467.53 × 187,959.81
  4. Step 4: Simplify right side
    340,916.22x = 88,428,987,549.97
  5. Step 5: Solve for x
    x = 88,428,987,549.97/340,916.22
  6. Step 6: Final answer
    x = 259,386.27

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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.