Home / 230,372.48-345,416.16-89,966

Finding the Fourth Proportional to 230,372.48, 345,416.16 and 89,966

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Solution

The fourth proportional to 230,372.48, 345,416.16 and 89,966 is: 134,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,372.48 : 345,416.16 = 89,966 : x
  2. Step 2: Convert to fraction form
    230,372.48/345,416.16 = 89,966/x
  3. Step 3: Cross multiply
    230,372.48x = 345,416.16 × 89,966
  4. Step 4: Simplify right side
    230,372.48x = 31,075,710,250.56
  5. Step 5: Solve for x
    x = 31,075,710,250.56/230,372.48
  6. Step 6: Final answer
    x = 134,893.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.