Home / 311,962.56-430,508.40-176,025.33

Finding the Fourth Proportional to 311,962.56, 430,508.40 and 176,025.33

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Solution

The fourth proportional to 311,962.56, 430,508.40 and 176,025.33 is: 242,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,962.56 : 430,508.40 = 176,025.33 : x
  2. Step 2: Convert to fraction form
    311,962.56/430,508.40 = 176,025.33/x
  3. Step 3: Cross multiply
    311,962.56x = 430,508.40 × 176,025.33
  4. Step 4: Simplify right side
    311,962.56x = 75,780,383,177.77
  5. Step 5: Solve for x
    x = 75,780,383,177.77/311,962.56
  6. Step 6: Final answer
    x = 242,914.99

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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.