Home / 165,499.47-248,219.37-70,782.93

Finding the Fourth Proportional to 165,499.47, 248,219.37 and 70,782.93

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Solution

The fourth proportional to 165,499.47, 248,219.37 and 70,782.93 is: 106,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,499.47 : 248,219.37 = 70,782.93 : x
  2. Step 2: Convert to fraction form
    165,499.47/248,219.37 = 70,782.93/x
  3. Step 3: Cross multiply
    165,499.47x = 248,219.37 × 70,782.93
  4. Step 4: Simplify right side
    165,499.47x = 17,569,694,291.35
  5. Step 5: Solve for x
    x = 17,569,694,291.35/165,499.47
  6. Step 6: Final answer
    x = 106,161.63

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1.5x scale

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.