Home / 165,509.58-248,069.96-76,575.22

Finding the Fourth Proportional to 165,509.58, 248,069.96 and 76,575.22

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Solution

The fourth proportional to 165,509.58, 248,069.96 and 76,575.22 is: 114,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,509.58 : 248,069.96 = 76,575.22 : x
  2. Step 2: Convert to fraction form
    165,509.58/248,069.96 = 76,575.22/x
  3. Step 3: Cross multiply
    165,509.58x = 248,069.96 × 76,575.22
  4. Step 4: Simplify right side
    165,509.58x = 18,996,011,762.39
  5. Step 5: Solve for x
    x = 18,996,011,762.39/165,509.58
  6. Step 6: Final answer
    x = 114,772.88

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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.