Home / 114,331.95-171,428.67-51,140.30

Finding the Fourth Proportional to 114,331.95, 171,428.67 and 51,140.30

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Solution

The fourth proportional to 114,331.95, 171,428.67 and 51,140.30 is: 76,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,331.95 : 171,428.67 = 51,140.30 : x
  2. Step 2: Convert to fraction form
    114,331.95/171,428.67 = 51,140.30/x
  3. Step 3: Cross multiply
    114,331.95x = 171,428.67 × 51,140.30
  4. Step 4: Simplify right side
    114,331.95x = 8,766,912,499.56
  5. Step 5: Solve for x
    x = 8,766,912,499.56/114,331.95
  6. Step 6: Final answer
    x = 76,679.46

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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.