Home / 209,793.66-314,688.16-125,577.33

Finding the Fourth Proportional to 209,793.66, 314,688.16 and 125,577.33

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Solution

The fourth proportional to 209,793.66, 314,688.16 and 125,577.33 is: 188,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,793.66 : 314,688.16 = 125,577.33 : x
  2. Step 2: Convert to fraction form
    209,793.66/314,688.16 = 125,577.33/x
  3. Step 3: Cross multiply
    209,793.66x = 314,688.16 × 125,577.33
  4. Step 4: Simplify right side
    209,793.66x = 39,517,698,915.41
  5. Step 5: Solve for x
    x = 39,517,698,915.41/209,793.66
  6. Step 6: Final answer
    x = 188,364.60

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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.