Home / 190,645.22-285,969.74-57,526.58

Finding the Fourth Proportional to 190,645.22, 285,969.74 and 57,526.58

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Solution

The fourth proportional to 190,645.22, 285,969.74 and 57,526.58 is: 86,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,645.22 : 285,969.74 = 57,526.58 : x
  2. Step 2: Convert to fraction form
    190,645.22/285,969.74 = 57,526.58/x
  3. Step 3: Cross multiply
    190,645.22x = 285,969.74 × 57,526.58
  4. Step 4: Simplify right side
    190,645.22x = 16,450,859,408.21
  5. Step 5: Solve for x
    x = 16,450,859,408.21/190,645.22
  6. Step 6: Final answer
    x = 86,290.44

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1.5x scale

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.