Home / 311,973.96-430,487.03-175,999.96

Finding the Fourth Proportional to 311,973.96, 430,487.03 and 175,999.96

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Solution

The fourth proportional to 311,973.96, 430,487.03 and 175,999.96 is: 242,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,973.96 : 430,487.03 = 175,999.96 : x
  2. Step 2: Convert to fraction form
    311,973.96/430,487.03 = 175,999.96/x
  3. Step 3: Cross multiply
    311,973.96x = 430,487.03 × 175,999.96
  4. Step 4: Simplify right side
    311,973.96x = 75,765,701,754.37
  5. Step 5: Solve for x
    x = 75,765,701,754.37/311,973.96
  6. Step 6: Final answer
    x = 242,859.06

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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.