Home / 146,255.06-201,829.50-81,725.33

Finding the Fourth Proportional to 146,255.06, 201,829.50 and 81,725.33

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Solution

The fourth proportional to 146,255.06, 201,829.50 and 81,725.33 is: 112,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,255.06 : 201,829.50 = 81,725.33 : x
  2. Step 2: Convert to fraction form
    146,255.06/201,829.50 = 81,725.33/x
  3. Step 3: Cross multiply
    146,255.06x = 201,829.50 × 81,725.33
  4. Step 4: Simplify right side
    146,255.06x = 16,494,581,482.09
  5. Step 5: Solve for x
    x = 16,494,581,482.09/146,255.06
  6. Step 6: Final answer
    x = 112,779.57

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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.