Home / 318,206.60-477,517.67-118,686.59

Finding the Fourth Proportional to 318,206.60, 477,517.67 and 118,686.59

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Solution

The fourth proportional to 318,206.60, 477,517.67 and 118,686.59 is: 178,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,206.60 : 477,517.67 = 118,686.59 : x
  2. Step 2: Convert to fraction form
    318,206.60/477,517.67 = 118,686.59/x
  3. Step 3: Cross multiply
    318,206.60x = 477,517.67 × 118,686.59
  4. Step 4: Simplify right side
    318,206.60x = 56,674,944,517.41
  5. Step 5: Solve for x
    x = 56,674,944,517.41/318,206.60
  6. Step 6: Final answer
    x = 178,107.38

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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.