Home / 318,148.21-477,222.41-93,508.66

Finding the Fourth Proportional to 318,148.21, 477,222.41 and 93,508.66

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Solution

The fourth proportional to 318,148.21, 477,222.41 and 93,508.66 is: 140,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,148.21 : 477,222.41 = 93,508.66 : x
  2. Step 2: Convert to fraction form
    318,148.21/477,222.41 = 93,508.66/x
  3. Step 3: Cross multiply
    318,148.21x = 477,222.41 × 93,508.66
  4. Step 4: Simplify right side
    318,148.21x = 44,624,427,613.53
  5. Step 5: Solve for x
    x = 44,624,427,613.53/318,148.21
  6. Step 6: Final answer
    x = 140,263.02

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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.