Home / 127,083.99-190,492.97-42,815.03

Finding the Fourth Proportional to 127,083.99, 190,492.97 and 42,815.03

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Solution

The fourth proportional to 127,083.99, 190,492.97 and 42,815.03 is: 64,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,083.99 : 190,492.97 = 42,815.03 : x
  2. Step 2: Convert to fraction form
    127,083.99/190,492.97 = 42,815.03/x
  3. Step 3: Cross multiply
    127,083.99x = 190,492.97 × 42,815.03
  4. Step 4: Simplify right side
    127,083.99x = 8,155,962,130.32
  5. Step 5: Solve for x
    x = 8,155,962,130.32/127,083.99
  6. Step 6: Final answer
    x = 64,177.73

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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.