Home / 127,085.99-190,495.97-42,817.04

Finding the Fourth Proportional to 127,085.99, 190,495.97 and 42,817.04

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Solution

The fourth proportional to 127,085.99, 190,495.97 and 42,817.04 is: 64,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,085.99 : 190,495.97 = 42,817.04 : x
  2. Step 2: Convert to fraction form
    127,085.99/190,495.97 = 42,817.04/x
  3. Step 3: Cross multiply
    127,085.99x = 190,495.97 × 42,817.04
  4. Step 4: Simplify right side
    127,085.99x = 8,156,472,400.76
  5. Step 5: Solve for x
    x = 8,156,472,400.76/127,085.99
  6. Step 6: Final answer
    x = 64,180.74

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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.