Home / 166,418.40-249,627.60-73,106.40

Finding the Fourth Proportional to 166,418.40, 249,627.60 and 73,106.40

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Solution

The fourth proportional to 166,418.40, 249,627.60 and 73,106.40 is: 109,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,418.40 : 249,627.60 = 73,106.40 : x
  2. Step 2: Convert to fraction form
    166,418.40/249,627.60 = 73,106.40/x
  3. Step 3: Cross multiply
    166,418.40x = 249,627.60 × 73,106.40
  4. Step 4: Simplify right side
    166,418.40x = 18,249,375,176.64
  5. Step 5: Solve for x
    x = 18,249,375,176.64/166,418.40
  6. Step 6: Final answer
    x = 109,659.60

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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.