Home / 269,549.20-403,999.80-111,696.40

Finding the Fourth Proportional to 269,549.20, 403,999.80 and 111,696.40

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Solution

The fourth proportional to 269,549.20, 403,999.80 and 111,696.40 is: 167,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,549.20 : 403,999.80 = 111,696.40 : x
  2. Step 2: Convert to fraction form
    269,549.20/403,999.80 = 111,696.40/x
  3. Step 3: Cross multiply
    269,549.20x = 403,999.80 × 111,696.40
  4. Step 4: Simplify right side
    269,549.20x = 45,125,323,260.72
  5. Step 5: Solve for x
    x = 45,125,323,260.72/269,549.20
  6. Step 6: Final answer
    x = 167,410.34

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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.