Home / 127,356.36-190,772.04-74,605.92

Finding the Fourth Proportional to 127,356.36, 190,772.04 and 74,605.92

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Solution

The fourth proportional to 127,356.36, 190,772.04 and 74,605.92 is: 111,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,356.36 : 190,772.04 = 74,605.92 : x
  2. Step 2: Convert to fraction form
    127,356.36/190,772.04 = 74,605.92/x
  3. Step 3: Cross multiply
    127,356.36x = 190,772.04 × 74,605.92
  4. Step 4: Simplify right side
    127,356.36x = 14,232,723,554.48
  5. Step 5: Solve for x
    x = 14,232,723,554.48/127,356.36
  6. Step 6: Final answer
    x = 111,755.11

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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.