Home / 314,896.03-434,540.10-178,911.10

Finding the Fourth Proportional to 314,896.03, 434,540.10 and 178,911.10

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Solution

The fourth proportional to 314,896.03, 434,540.10 and 178,911.10 is: 246,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,896.03 : 434,540.10 = 178,911.10 : x
  2. Step 2: Convert to fraction form
    314,896.03/434,540.10 = 178,911.10/x
  3. Step 3: Cross multiply
    314,896.03x = 434,540.10 × 178,911.10
  4. Step 4: Simplify right side
    314,896.03x = 77,744,047,285.11
  5. Step 5: Solve for x
    x = 77,744,047,285.11/314,896.03
  6. Step 6: Final answer
    x = 246,887.99

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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.