Home / 212,893.38-293,779.45-122,185.50

Finding the Fourth Proportional to 212,893.38, 293,779.45 and 122,185.50

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Solution

The fourth proportional to 212,893.38, 293,779.45 and 122,185.50 is: 168,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,893.38 : 293,779.45 = 122,185.50 : x
  2. Step 2: Convert to fraction form
    212,893.38/293,779.45 = 122,185.50/x
  3. Step 3: Cross multiply
    212,893.38x = 293,779.45 × 122,185.50
  4. Step 4: Simplify right side
    212,893.38x = 35,895,588,987.98
  5. Step 5: Solve for x
    x = 35,895,588,987.98/212,893.38
  6. Step 6: Final answer
    x = 168,608.29

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1.5x scale

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.