Home / 135,366.27-186,802.52-74,112.32

Finding the Fourth Proportional to 135,366.27, 186,802.52 and 74,112.32

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Solution

The fourth proportional to 135,366.27, 186,802.52 and 74,112.32 is: 102,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,366.27 : 186,802.52 = 74,112.32 : x
  2. Step 2: Convert to fraction form
    135,366.27/186,802.52 = 74,112.32/x
  3. Step 3: Cross multiply
    135,366.27x = 186,802.52 × 74,112.32
  4. Step 4: Simplify right side
    135,366.27x = 13,844,366,834.47
  5. Step 5: Solve for x
    x = 13,844,366,834.47/135,366.27
  6. Step 6: Final answer
    x = 102,273.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.