Home / 190,506.45-285,930.99-101,835.75

Finding the Fourth Proportional to 190,506.45, 285,930.99 and 101,835.75

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Solution

The fourth proportional to 190,506.45, 285,930.99 and 101,835.75 is: 152,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,506.45 : 285,930.99 = 101,835.75 : x
  2. Step 2: Convert to fraction form
    190,506.45/285,930.99 = 101,835.75/x
  3. Step 3: Cross multiply
    190,506.45x = 285,930.99 × 101,835.75
  4. Step 4: Simplify right side
    190,506.45x = 29,117,996,814.89
  5. Step 5: Solve for x
    x = 29,117,996,814.89/190,506.45
  6. Step 6: Final answer
    x = 152,845.20

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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.