Home / 152,741.53-210,766.21-84,761.37

Finding the Fourth Proportional to 152,741.53, 210,766.21 and 84,761.37

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Solution

The fourth proportional to 152,741.53, 210,766.21 and 84,761.37 is: 116,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,741.53 : 210,766.21 = 84,761.37 : x
  2. Step 2: Convert to fraction form
    152,741.53/210,766.21 = 84,761.37/x
  3. Step 3: Cross multiply
    152,741.53x = 210,766.21 × 84,761.37
  4. Step 4: Simplify right side
    152,741.53x = 17,864,833,566.97
  5. Step 5: Solve for x
    x = 17,864,833,566.97/152,741.53
  6. Step 6: Final answer
    x = 116,961.20

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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.