Home / 319,982.40-441,579.60-176,758.20

Finding the Fourth Proportional to 319,982.40, 441,579.60 and 176,758.20

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Solution

The fourth proportional to 319,982.40, 441,579.60 and 176,758.20 is: 243,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,982.40 : 441,579.60 = 176,758.20 : x
  2. Step 2: Convert to fraction form
    319,982.40/441,579.60 = 176,758.20/x
  3. Step 3: Cross multiply
    319,982.40x = 441,579.60 × 176,758.20
  4. Step 4: Simplify right side
    319,982.40x = 78,052,815,252.72
  5. Step 5: Solve for x
    x = 78,052,815,252.72/319,982.40
  6. Step 6: Final answer
    x = 243,928.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.