Home / 166,825.10-249,909.60-155,015.30

Finding the Fourth Proportional to 166,825.10, 249,909.60 and 155,015.30

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Solution

The fourth proportional to 166,825.10, 249,909.60 and 155,015.30 is: 232,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,825.10 : 249,909.60 = 155,015.30 : x
  2. Step 2: Convert to fraction form
    166,825.10/249,909.60 = 155,015.30/x
  3. Step 3: Cross multiply
    166,825.10x = 249,909.60 × 155,015.30
  4. Step 4: Simplify right side
    166,825.10x = 38,739,811,616.88
  5. Step 5: Solve for x
    x = 38,739,811,616.88/166,825.10
  6. Step 6: Final answer
    x = 232,218.12

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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.