Home / 201,633.15-302,449.73-130,774.35

Finding the Fourth Proportional to 201,633.15, 302,449.73 and 130,774.35

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Solution

The fourth proportional to 201,633.15, 302,449.73 and 130,774.35 is: 196,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,633.15 : 302,449.73 = 130,774.35 : x
  2. Step 2: Convert to fraction form
    201,633.15/302,449.73 = 130,774.35/x
  3. Step 3: Cross multiply
    201,633.15x = 302,449.73 × 130,774.35
  4. Step 4: Simplify right side
    201,633.15x = 39,552,666,194.55
  5. Step 5: Solve for x
    x = 39,552,666,194.55/201,633.15
  6. Step 6: Final answer
    x = 196,161.53

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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.