Home / 313,985.20-433,147.23-186,570.58

Finding the Fourth Proportional to 313,985.20, 433,147.23 and 186,570.58

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Solution

The fourth proportional to 313,985.20, 433,147.23 and 186,570.58 is: 257,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,985.20 : 433,147.23 = 186,570.58 : x
  2. Step 2: Convert to fraction form
    313,985.20/433,147.23 = 186,570.58/x
  3. Step 3: Cross multiply
    313,985.20x = 433,147.23 × 186,570.58
  4. Step 4: Simplify right side
    313,985.20x = 80,812,529,926.49
  5. Step 5: Solve for x
    x = 80,812,529,926.49/313,985.20
  6. Step 6: Final answer
    x = 257,376.88

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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.