Home / 166,220.88-249,352.86-76,241.89

Finding the Fourth Proportional to 166,220.88, 249,352.86 and 76,241.89

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Solution

The fourth proportional to 166,220.88, 249,352.86 and 76,241.89 is: 114,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,220.88 : 249,352.86 = 76,241.89 : x
  2. Step 2: Convert to fraction form
    166,220.88/249,352.86 = 76,241.89/x
  3. Step 3: Cross multiply
    166,220.88x = 249,352.86 × 76,241.89
  4. Step 4: Simplify right side
    166,220.88x = 19,011,133,920.90
  5. Step 5: Solve for x
    x = 19,011,133,920.90/166,220.88
  6. Step 6: Final answer
    x = 114,372.72

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1.5x scale

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.