Home / 351,818.34-485,511.01-190,673.35

Finding the Fourth Proportional to 351,818.34, 485,511.01 and 190,673.35

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Solution

The fourth proportional to 351,818.34, 485,511.01 and 190,673.35 is: 263,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,818.34 : 485,511.01 = 190,673.35 : x
  2. Step 2: Convert to fraction form
    351,818.34/485,511.01 = 190,673.35/x
  3. Step 3: Cross multiply
    351,818.34x = 485,511.01 × 190,673.35
  4. Step 4: Simplify right side
    351,818.34x = 92,574,008,311.03
  5. Step 5: Solve for x
    x = 92,574,008,311.03/351,818.34
  6. Step 6: Final answer
    x = 263,130.14

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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.