Home / 135,999.98-187,676.24-75,569.07

Finding the Fourth Proportional to 135,999.98, 187,676.24 and 75,569.07

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Solution

The fourth proportional to 135,999.98, 187,676.24 and 75,569.07 is: 104,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,999.98 : 187,676.24 = 75,569.07 : x
  2. Step 2: Convert to fraction form
    135,999.98/187,676.24 = 75,569.07/x
  3. Step 3: Cross multiply
    135,999.98x = 187,676.24 × 75,569.07
  4. Step 4: Simplify right side
    135,999.98x = 14,182,518,540.05
  5. Step 5: Solve for x
    x = 14,182,518,540.05/135,999.98
  6. Step 6: Final answer
    x = 104,283.24

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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.