Home / 296,540.29-409,223.75-160,571.36

Finding the Fourth Proportional to 296,540.29, 409,223.75 and 160,571.36

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Solution

The fourth proportional to 296,540.29, 409,223.75 and 160,571.36 is: 221,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,540.29 : 409,223.75 = 160,571.36 : x
  2. Step 2: Convert to fraction form
    296,540.29/409,223.75 = 160,571.36/x
  3. Step 3: Cross multiply
    296,540.29x = 409,223.75 × 160,571.36
  4. Step 4: Simplify right side
    296,540.29x = 65,709,614,302.00
  5. Step 5: Solve for x
    x = 65,709,614,302.00/296,540.29
  6. Step 6: Final answer
    x = 221,587.47

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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.