Home / 231,941.61-319,889.63-163,258.44

Finding the Fourth Proportional to 231,941.61, 319,889.63 and 163,258.44

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Solution

The fourth proportional to 231,941.61, 319,889.63 and 163,258.44 is: 225,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,941.61 : 319,889.63 = 163,258.44 : x
  2. Step 2: Convert to fraction form
    231,941.61/319,889.63 = 163,258.44/x
  3. Step 3: Cross multiply
    231,941.61x = 319,889.63 × 163,258.44
  4. Step 4: Simplify right side
    231,941.61x = 52,224,680,715.37
  5. Step 5: Solve for x
    x = 52,224,680,715.37/231,941.61
  6. Step 6: Final answer
    x = 225,163.05

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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.