Home / 201,928.90-302,929.38-67,001.06

Finding the Fourth Proportional to 201,928.90, 302,929.38 and 67,001.06

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Solution

The fourth proportional to 201,928.90, 302,929.38 and 67,001.06 is: 100,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,928.90 : 302,929.38 = 67,001.06 : x
  2. Step 2: Convert to fraction form
    201,928.90/302,929.38 = 67,001.06/x
  3. Step 3: Cross multiply
    201,928.90x = 302,929.38 × 67,001.06
  4. Step 4: Simplify right side
    201,928.90x = 20,296,589,565.14
  5. Step 5: Solve for x
    x = 20,296,589,565.14/201,928.90
  6. Step 6: Final answer
    x = 100,513.54

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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.