Home / 311,942.22-430,484.45-175,975.75

Finding the Fourth Proportional to 311,942.22, 430,484.45 and 175,975.75

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Solution

The fourth proportional to 311,942.22, 430,484.45 and 175,975.75 is: 242,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,942.22 : 430,484.45 = 175,975.75 : x
  2. Step 2: Convert to fraction form
    311,942.22/430,484.45 = 175,975.75/x
  3. Step 3: Cross multiply
    311,942.22x = 430,484.45 × 175,975.75
  4. Step 4: Simplify right side
    311,942.22x = 75,754,824,270.22
  5. Step 5: Solve for x
    x = 75,754,824,270.22/311,942.22
  6. Step 6: Final answer
    x = 242,848.89

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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.