Home / 313,837.40-433,131.90-186,511.88

Finding the Fourth Proportional to 313,837.40, 433,131.90 and 186,511.88

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Solution

The fourth proportional to 313,837.40, 433,131.90 and 186,511.88 is: 257,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,837.40 : 433,131.90 = 186,511.88 : x
  2. Step 2: Convert to fraction form
    313,837.40/433,131.90 = 186,511.88/x
  3. Step 3: Cross multiply
    313,837.40x = 433,131.90 × 186,511.88
  4. Step 4: Simplify right side
    313,837.40x = 80,784,244,956.97
  5. Step 5: Solve for x
    x = 80,784,244,956.97/313,837.40
  6. Step 6: Final answer
    x = 257,407.96

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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.