Home / 149,832.03-206,774.48-86,169.87

Finding the Fourth Proportional to 149,832.03, 206,774.48 and 86,169.87

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Solution

The fourth proportional to 149,832.03, 206,774.48 and 86,169.87 is: 118,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,832.03 : 206,774.48 = 86,169.87 : x
  2. Step 2: Convert to fraction form
    149,832.03/206,774.48 = 86,169.87/x
  3. Step 3: Cross multiply
    149,832.03x = 206,774.48 × 86,169.87
  4. Step 4: Simplify right side
    149,832.03x = 17,817,729,630.07
  5. Step 5: Solve for x
    x = 17,817,729,630.07/149,832.03
  6. Step 6: Final answer
    x = 118,918.03

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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.