Home / 209,683.40-314,525.10-162,969.80

Finding the Fourth Proportional to 209,683.40, 314,525.10 and 162,969.80

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Solution

The fourth proportional to 209,683.40, 314,525.10 and 162,969.80 is: 244,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,683.40 : 314,525.10 = 162,969.80 : x
  2. Step 2: Convert to fraction form
    209,683.40/314,525.10 = 162,969.80/x
  3. Step 3: Cross multiply
    209,683.40x = 314,525.10 × 162,969.80
  4. Step 4: Simplify right side
    209,683.40x = 51,258,092,641.98
  5. Step 5: Solve for x
    x = 51,258,092,641.98/209,683.40
  6. Step 6: Final answer
    x = 244,454.70

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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.