Home / 209,681.33-313,906.89-188,038.23

Finding the Fourth Proportional to 209,681.33, 313,906.89 and 188,038.23

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Solution

The fourth proportional to 209,681.33, 313,906.89 and 188,038.23 is: 281,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,681.33 : 313,906.89 = 188,038.23 : x
  2. Step 2: Convert to fraction form
    209,681.33/313,906.89 = 188,038.23/x
  3. Step 3: Cross multiply
    209,681.33x = 313,906.89 × 188,038.23
  4. Step 4: Simplify right side
    209,681.33x = 59,026,495,508.40
  5. Step 5: Solve for x
    x = 59,026,495,508.40/209,681.33
  6. Step 6: Final answer
    x = 281,505.73

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1.5x scale

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.