Home / 127,002.90-190,370.99-42,733.81

Finding the Fourth Proportional to 127,002.90, 190,370.99 and 42,733.81

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Solution

The fourth proportional to 127,002.90, 190,370.99 and 42,733.81 is: 64,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,002.90 : 190,370.99 = 42,733.81 : x
  2. Step 2: Convert to fraction form
    127,002.90/190,370.99 = 42,733.81/x
  3. Step 3: Cross multiply
    127,002.90x = 190,370.99 × 42,733.81
  4. Step 4: Simplify right side
    127,002.90x = 8,135,277,716.17
  5. Step 5: Solve for x
    x = 8,135,277,716.17/127,002.90
  6. Step 6: Final answer
    x = 64,055.84

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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.