Home / 201,865.90-302,708.87-107,074.51

Finding the Fourth Proportional to 201,865.90, 302,708.87 and 107,074.51

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Solution

The fourth proportional to 201,865.90, 302,708.87 and 107,074.51 is: 160,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,865.90 : 302,708.87 = 107,074.51 : x
  2. Step 2: Convert to fraction form
    201,865.90/302,708.87 = 107,074.51/x
  3. Step 3: Cross multiply
    201,865.90x = 302,708.87 × 107,074.51
  4. Step 4: Simplify right side
    201,865.90x = 32,412,403,927.90
  5. Step 5: Solve for x
    x = 32,412,403,927.90/201,865.90
  6. Step 6: Final answer
    x = 160,564.04

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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.