Home / 296,749.78-409,534.79-167,643.47

Finding the Fourth Proportional to 296,749.78, 409,534.79 and 167,643.47

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Solution

The fourth proportional to 296,749.78, 409,534.79 and 167,643.47 is: 231,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,749.78 : 409,534.79 = 167,643.47 : x
  2. Step 2: Convert to fraction form
    296,749.78/409,534.79 = 167,643.47/x
  3. Step 3: Cross multiply
    296,749.78x = 409,534.79 × 167,643.47
  4. Step 4: Simplify right side
    296,749.78x = 68,655,833,466.94
  5. Step 5: Solve for x
    x = 68,655,833,466.94/296,749.78
  6. Step 6: Final answer
    x = 231,359.34

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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.