Home / 194,961.80-292,296.90-106,315.40

Finding the Fourth Proportional to 194,961.80, 292,296.90 and 106,315.40

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Solution

The fourth proportional to 194,961.80, 292,296.90 and 106,315.40 is: 159,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,961.80 : 292,296.90 = 106,315.40 : x
  2. Step 2: Convert to fraction form
    194,961.80/292,296.90 = 106,315.40/x
  3. Step 3: Cross multiply
    194,961.80x = 292,296.90 × 106,315.40
  4. Step 4: Simplify right side
    194,961.80x = 31,075,661,842.26
  5. Step 5: Solve for x
    x = 31,075,661,842.26/194,961.80
  6. Step 6: Final answer
    x = 159,393.59

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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.