Home / 209,848.23-314,655.71-85,043.43

Finding the Fourth Proportional to 209,848.23, 314,655.71 and 85,043.43

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Solution

The fourth proportional to 209,848.23, 314,655.71 and 85,043.43 is: 127,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,848.23 : 314,655.71 = 85,043.43 : x
  2. Step 2: Convert to fraction form
    209,848.23/314,655.71 = 85,043.43/x
  3. Step 3: Cross multiply
    209,848.23x = 314,655.71 × 85,043.43
  4. Step 4: Simplify right side
    209,848.23x = 26,759,400,422.27
  5. Step 5: Solve for x
    x = 26,759,400,422.27/209,848.23
  6. Step 6: Final answer
    x = 127,517.88

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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.