Home / 211,554.22-317,414.31-93,142.50

Finding the Fourth Proportional to 211,554.22, 317,414.31 and 93,142.50

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Solution

The fourth proportional to 211,554.22, 317,414.31 and 93,142.50 is: 139,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,554.22 : 317,414.31 = 93,142.50 : x
  2. Step 2: Convert to fraction form
    211,554.22/317,414.31 = 93,142.50/x
  3. Step 3: Cross multiply
    211,554.22x = 317,414.31 × 93,142.50
  4. Step 4: Simplify right side
    211,554.22x = 29,564,762,369.18
  5. Step 5: Solve for x
    x = 29,564,762,369.18/211,554.22
  6. Step 6: Final answer
    x = 139,750.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.