Home / 209,848.20-314,772.30-189,112.20

Finding the Fourth Proportional to 209,848.20, 314,772.30 and 189,112.20

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Solution

The fourth proportional to 209,848.20, 314,772.30 and 189,112.20 is: 283,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,848.20 : 314,772.30 = 189,112.20 : x
  2. Step 2: Convert to fraction form
    209,848.20/314,772.30 = 189,112.20/x
  3. Step 3: Cross multiply
    209,848.20x = 314,772.30 × 189,112.20
  4. Step 4: Simplify right side
    209,848.20x = 59,527,282,152.06
  5. Step 5: Solve for x
    x = 59,527,282,152.06/209,848.20
  6. Step 6: Final answer
    x = 283,668.30

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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.