Home / 165,770.37-248,655.33-76,975.32

Finding the Fourth Proportional to 165,770.37, 248,655.33 and 76,975.32

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Solution

The fourth proportional to 165,770.37, 248,655.33 and 76,975.32 is: 115,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,770.37 : 248,655.33 = 76,975.32 : x
  2. Step 2: Convert to fraction form
    165,770.37/248,655.33 = 76,975.32/x
  3. Step 3: Cross multiply
    165,770.37x = 248,655.33 × 76,975.32
  4. Step 4: Simplify right side
    165,770.37x = 19,140,323,596.46
  5. Step 5: Solve for x
    x = 19,140,323,596.46/165,770.37
  6. Step 6: Final answer
    x = 115,462.88

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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.