Home / 114,721.76-171,858.60-75,158.72

Finding the Fourth Proportional to 114,721.76, 171,858.60 and 75,158.72

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Solution

The fourth proportional to 114,721.76, 171,858.60 and 75,158.72 is: 112,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,721.76 : 171,858.60 = 75,158.72 : x
  2. Step 2: Convert to fraction form
    114,721.76/171,858.60 = 75,158.72/x
  3. Step 3: Cross multiply
    114,721.76x = 171,858.60 × 75,158.72
  4. Step 4: Simplify right side
    114,721.76x = 12,916,672,396.99
  5. Step 5: Solve for x
    x = 12,916,672,396.99/114,721.76
  6. Step 6: Final answer
    x = 112,591.30

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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.