Home / 165,572.37-248,162.99-70,774.83

Finding the Fourth Proportional to 165,572.37, 248,162.99 and 70,774.83

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Solution

The fourth proportional to 165,572.37, 248,162.99 and 70,774.83 is: 106,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,572.37 : 248,162.99 = 70,774.83 : x
  2. Step 2: Convert to fraction form
    165,572.37/248,162.99 = 70,774.83/x
  3. Step 3: Cross multiply
    165,572.37x = 248,162.99 × 70,774.83
  4. Step 4: Simplify right side
    165,572.37x = 17,563,693,075.67
  5. Step 5: Solve for x
    x = 17,563,693,075.67/165,572.37
  6. Step 6: Final answer
    x = 106,078.65

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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.