Home / 313,973.12-470,975.96-103,627.46

Finding the Fourth Proportional to 313,973.12, 470,975.96 and 103,627.46

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Solution

The fourth proportional to 313,973.12, 470,975.96 and 103,627.46 is: 155,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,973.12 : 470,975.96 = 103,627.46 : x
  2. Step 2: Convert to fraction form
    313,973.12/470,975.96 = 103,627.46/x
  3. Step 3: Cross multiply
    313,973.12x = 470,975.96 × 103,627.46
  4. Step 4: Simplify right side
    313,973.12x = 48,806,042,455.86
  5. Step 5: Solve for x
    x = 48,806,042,455.86/313,973.12
  6. Step 6: Final answer
    x = 155,446.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.