Home / 150,741.04-208,021.76-82,759.16

Finding the Fourth Proportional to 150,741.04, 208,021.76 and 82,759.16

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Solution

The fourth proportional to 150,741.04, 208,021.76 and 82,759.16 is: 114,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,741.04 : 208,021.76 = 82,759.16 : x
  2. Step 2: Convert to fraction form
    150,741.04/208,021.76 = 82,759.16/x
  3. Step 3: Cross multiply
    150,741.04x = 208,021.76 × 82,759.16
  4. Step 4: Simplify right side
    150,741.04x = 17,215,706,119.32
  5. Step 5: Solve for x
    x = 17,215,706,119.32/150,741.04
  6. Step 6: Final answer
    x = 114,207.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.