Home / 199,431.90-274,656.15-195,077.34

Finding the Fourth Proportional to 199,431.90, 274,656.15 and 195,077.34

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Solution

The fourth proportional to 199,431.90, 274,656.15 and 195,077.34 is: 268,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,431.90 : 274,656.15 = 195,077.34 : x
  2. Step 2: Convert to fraction form
    199,431.90/274,656.15 = 195,077.34/x
  3. Step 3: Cross multiply
    199,431.90x = 274,656.15 × 195,077.34
  4. Step 4: Simplify right side
    199,431.90x = 53,579,191,156.64
  5. Step 5: Solve for x
    x = 53,579,191,156.64/199,431.90
  6. Step 6: Final answer
    x = 268,659.08

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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.