Home / 314,905.48-434,557.14-171,662.44

Finding the Fourth Proportional to 314,905.48, 434,557.14 and 171,662.44

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Solution

The fourth proportional to 314,905.48, 434,557.14 and 171,662.44 is: 236,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,905.48 : 434,557.14 = 171,662.44 : x
  2. Step 2: Convert to fraction form
    314,905.48/434,557.14 = 171,662.44/x
  3. Step 3: Cross multiply
    314,905.48x = 434,557.14 × 171,662.44
  4. Step 4: Simplify right side
    314,905.48x = 74,597,138,971.82
  5. Step 5: Solve for x
    x = 74,597,138,971.82/314,905.48
  6. Step 6: Final answer
    x = 236,887.40

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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.