Home / 208,021.80-312,032.70-174,196.20

Finding the Fourth Proportional to 208,021.80, 312,032.70 and 174,196.20

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Solution

The fourth proportional to 208,021.80, 312,032.70 and 174,196.20 is: 261,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,021.80 : 312,032.70 = 174,196.20 : x
  2. Step 2: Convert to fraction form
    208,021.80/312,032.70 = 174,196.20/x
  3. Step 3: Cross multiply
    208,021.80x = 312,032.70 × 174,196.20
  4. Step 4: Simplify right side
    208,021.80x = 54,354,910,615.74
  5. Step 5: Solve for x
    x = 54,354,910,615.74/208,021.80
  6. Step 6: Final answer
    x = 261,294.30

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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.