Home / 323,557.20-485,312.16-110,307.48

Finding the Fourth Proportional to 323,557.20, 485,312.16 and 110,307.48

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Solution

The fourth proportional to 323,557.20, 485,312.16 and 110,307.48 is: 165,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,557.20 : 485,312.16 = 110,307.48 : x
  2. Step 2: Convert to fraction form
    323,557.20/485,312.16 = 110,307.48/x
  3. Step 3: Cross multiply
    323,557.20x = 485,312.16 × 110,307.48
  4. Step 4: Simplify right side
    323,557.20x = 53,533,561,382.96
  5. Step 5: Solve for x
    x = 53,533,561,382.96/323,557.20
  6. Step 6: Final answer
    x = 165,453.16

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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.