Home / 314,623.31-434,186.87-171,383.04

Finding the Fourth Proportional to 314,623.31, 434,186.87 and 171,383.04

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Solution

The fourth proportional to 314,623.31, 434,186.87 and 171,383.04 is: 236,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,623.31 : 434,186.87 = 171,383.04 : x
  2. Step 2: Convert to fraction form
    314,623.31/434,186.87 = 171,383.04/x
  3. Step 3: Cross multiply
    314,623.31x = 434,186.87 × 171,383.04
  4. Step 4: Simplify right side
    314,623.31x = 74,412,264,851.77
  5. Step 5: Solve for x
    x = 74,412,264,851.77/314,623.31
  6. Step 6: Final answer
    x = 236,512.25

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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.