Home / 269,208.30-403,780.05-111,420.30

Finding the Fourth Proportional to 269,208.30, 403,780.05 and 111,420.30

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Solution

The fourth proportional to 269,208.30, 403,780.05 and 111,420.30 is: 167,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,208.30 : 403,780.05 = 111,420.30 : x
  2. Step 2: Convert to fraction form
    269,208.30/403,780.05 = 111,420.30/x
  3. Step 3: Cross multiply
    269,208.30x = 403,780.05 × 111,420.30
  4. Step 4: Simplify right side
    269,208.30x = 44,989,294,305.02
  5. Step 5: Solve for x
    x = 44,989,294,305.02/269,208.30
  6. Step 6: Final answer
    x = 167,117.04

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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.