Home / 340,916.22-470,443.05-187,946.46

Finding the Fourth Proportional to 340,916.22, 470,443.05 and 187,946.46

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Solution

The fourth proportional to 340,916.22, 470,443.05 and 187,946.46 is: 259,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,916.22 : 470,443.05 = 187,946.46 : x
  2. Step 2: Convert to fraction form
    340,916.22/470,443.05 = 187,946.46/x
  3. Step 3: Cross multiply
    340,916.22x = 470,443.05 × 187,946.46
  4. Step 4: Simplify right side
    340,916.22x = 88,418,105,879.10
  5. Step 5: Solve for x
    x = 88,418,105,879.10/340,916.22
  6. Step 6: Final answer
    x = 259,354.35

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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.