Home / 131,860.76-182,000.40-75,304.94

Finding the Fourth Proportional to 131,860.76, 182,000.40 and 75,304.94

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Solution

The fourth proportional to 131,860.76, 182,000.40 and 75,304.94 is: 103,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,860.76 : 182,000.40 = 75,304.94 : x
  2. Step 2: Convert to fraction form
    131,860.76/182,000.40 = 75,304.94/x
  3. Step 3: Cross multiply
    131,860.76x = 182,000.40 × 75,304.94
  4. Step 4: Simplify right side
    131,860.76x = 13,705,529,201.98
  5. Step 5: Solve for x
    x = 13,705,529,201.98/131,860.76
  6. Step 6: Final answer
    x = 103,939.41

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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.