Home / 281,926.20-423,010.80-163,698.60

Finding the Fourth Proportional to 281,926.20, 423,010.80 and 163,698.60

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Solution

The fourth proportional to 281,926.20, 423,010.80 and 163,698.60 is: 245,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,926.20 : 423,010.80 = 163,698.60 : x
  2. Step 2: Convert to fraction form
    281,926.20/423,010.80 = 163,698.60/x
  3. Step 3: Cross multiply
    281,926.20x = 423,010.80 × 163,698.60
  4. Step 4: Simplify right side
    281,926.20x = 69,246,275,744.88
  5. Step 5: Solve for x
    x = 69,246,275,744.88/281,926.20
  6. Step 6: Final answer
    x = 245,618.45

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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.