Home / 165,555.36-248,365.85-65,762.55

Finding the Fourth Proportional to 165,555.36, 248,365.85 and 65,762.55

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Solution

The fourth proportional to 165,555.36, 248,365.85 and 65,762.55 is: 98,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,555.36 : 248,365.85 = 65,762.55 : x
  2. Step 2: Convert to fraction form
    165,555.36/248,365.85 = 65,762.55/x
  3. Step 3: Cross multiply
    165,555.36x = 248,365.85 × 65,762.55
  4. Step 4: Simplify right side
    165,555.36x = 16,333,171,300.10
  5. Step 5: Solve for x
    x = 16,333,171,300.10/165,555.36
  6. Step 6: Final answer
    x = 98,656.86

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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.