Home / 190,394.85-285,138.30-110,263.51

Finding the Fourth Proportional to 190,394.85, 285,138.30 and 110,263.51

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Solution

The fourth proportional to 190,394.85, 285,138.30 and 110,263.51 is: 165,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,394.85 : 285,138.30 = 110,263.51 : x
  2. Step 2: Convert to fraction form
    190,394.85/285,138.30 = 110,263.51/x
  3. Step 3: Cross multiply
    190,394.85x = 285,138.30 × 110,263.51
  4. Step 4: Simplify right side
    190,394.85x = 31,440,350,570.01
  5. Step 5: Solve for x
    x = 31,440,350,570.01/190,394.85
  6. Step 6: Final answer
    x = 165,132.36

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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.