Home / 318,485.53-477,580.67-118,752.29

Finding the Fourth Proportional to 318,485.53, 477,580.67 and 118,752.29

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Solution

The fourth proportional to 318,485.53, 477,580.67 and 118,752.29 is: 178,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,485.53 : 477,580.67 = 118,752.29 : x
  2. Step 2: Convert to fraction form
    318,485.53/477,580.67 = 118,752.29/x
  3. Step 3: Cross multiply
    318,485.53x = 477,580.67 × 118,752.29
  4. Step 4: Simplify right side
    318,485.53x = 56,713,795,834.33
  5. Step 5: Solve for x
    x = 56,713,795,834.33/318,485.53
  6. Step 6: Final answer
    x = 178,073.38

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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.