Home / 166,466.28-249,408.77-138,565.70

Finding the Fourth Proportional to 166,466.28, 249,408.77 and 138,565.70

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Solution

The fourth proportional to 166,466.28, 249,408.77 and 138,565.70 is: 207,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,466.28 : 249,408.77 = 138,565.70 : x
  2. Step 2: Convert to fraction form
    166,466.28/249,408.77 = 138,565.70/x
  3. Step 3: Cross multiply
    166,466.28x = 249,408.77 × 138,565.70
  4. Step 4: Simplify right side
    166,466.28x = 34,559,498,861.32
  5. Step 5: Solve for x
    x = 34,559,498,861.32/166,466.28
  6. Step 6: Final answer
    x = 207,606.60

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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.