Home / 306,035.56-422,339.33-170,075.24

Finding the Fourth Proportional to 306,035.56, 422,339.33 and 170,075.24

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Solution

The fourth proportional to 306,035.56, 422,339.33 and 170,075.24 is: 234,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,035.56 : 422,339.33 = 170,075.24 : x
  2. Step 2: Convert to fraction form
    306,035.56/422,339.33 = 170,075.24/x
  3. Step 3: Cross multiply
    306,035.56x = 422,339.33 × 170,075.24
  4. Step 4: Simplify right side
    306,035.56x = 71,829,459,949.12
  5. Step 5: Solve for x
    x = 71,829,459,949.12/306,035.56
  6. Step 6: Final answer
    x = 234,709.52

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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.