Home / 209,818.58-314,777.06-83,466

Finding the Fourth Proportional to 209,818.58, 314,777.06 and 83,466

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Solution

The fourth proportional to 209,818.58, 314,777.06 and 83,466 is: 125,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,818.58 : 314,777.06 = 83,466 : x
  2. Step 2: Convert to fraction form
    209,818.58/314,777.06 = 83,466/x
  3. Step 3: Cross multiply
    209,818.58x = 314,777.06 × 83,466
  4. Step 4: Simplify right side
    209,818.58x = 26,273,181,672.63
  5. Step 5: Solve for x
    x = 26,273,181,672.63/209,818.58
  6. Step 6: Final answer
    x = 125,218.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.