Home / 279,851.76-386,049.93-177,702.45

Finding the Fourth Proportional to 279,851.76, 386,049.93 and 177,702.45

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Solution

The fourth proportional to 279,851.76, 386,049.93 and 177,702.45 is: 245,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,851.76 : 386,049.93 = 177,702.45 : x
  2. Step 2: Convert to fraction form
    279,851.76/386,049.93 = 177,702.45/x
  3. Step 3: Cross multiply
    279,851.76x = 386,049.93 × 177,702.45
  4. Step 4: Simplify right side
    279,851.76x = 68,602,018,383.33
  5. Step 5: Solve for x
    x = 68,602,018,383.33/279,851.76
  6. Step 6: Final answer
    x = 245,137.00

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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.