Home / 166,650.48-249,725.16-66,711.60

Finding the Fourth Proportional to 166,650.48, 249,725.16 and 66,711.60

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Solution

The fourth proportional to 166,650.48, 249,725.16 and 66,711.60 is: 99,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,650.48 : 249,725.16 = 66,711.60 : x
  2. Step 2: Convert to fraction form
    166,650.48/249,725.16 = 66,711.60/x
  3. Step 3: Cross multiply
    166,650.48x = 249,725.16 × 66,711.60
  4. Step 4: Simplify right side
    166,650.48x = 16,659,564,983.86
  5. Step 5: Solve for x
    x = 16,659,564,983.86/166,650.48
  6. Step 6: Final answer
    x = 99,967.10

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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.