Home / 127,085.99-190,495.96-42,817.03

Finding the Fourth Proportional to 127,085.99, 190,495.96 and 42,817.03

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Solution

The fourth proportional to 127,085.99, 190,495.96 and 42,817.03 is: 64,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,085.99 : 190,495.96 = 42,817.03 : x
  2. Step 2: Convert to fraction form
    127,085.99/190,495.96 = 42,817.03/x
  3. Step 3: Cross multiply
    127,085.99x = 190,495.96 × 42,817.03
  4. Step 4: Simplify right side
    127,085.99x = 8,156,471,234.20
  5. Step 5: Solve for x
    x = 8,156,471,234.20/127,085.99
  6. Step 6: Final answer
    x = 64,180.73

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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.