Home / 140,801.45-194,304.37-76,269.45

Finding the Fourth Proportional to 140,801.45, 194,304.37 and 76,269.45

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Solution

The fourth proportional to 140,801.45, 194,304.37 and 76,269.45 is: 105,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,801.45 : 194,304.37 = 76,269.45 : x
  2. Step 2: Convert to fraction form
    140,801.45/194,304.37 = 76,269.45/x
  3. Step 3: Cross multiply
    140,801.45x = 194,304.37 × 76,269.45
  4. Step 4: Simplify right side
    140,801.45x = 14,819,487,432.50
  5. Step 5: Solve for x
    x = 14,819,487,432.50/140,801.45
  6. Step 6: Final answer
    x = 105,250.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.