Home / 134,883.16-186,138.77-74,453.82

Finding the Fourth Proportional to 134,883.16, 186,138.77 and 74,453.82

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Solution

The fourth proportional to 134,883.16, 186,138.77 and 74,453.82 is: 102,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,883.16 : 186,138.77 = 74,453.82 : x
  2. Step 2: Convert to fraction form
    134,883.16/186,138.77 = 74,453.82/x
  3. Step 3: Cross multiply
    134,883.16x = 186,138.77 × 74,453.82
  4. Step 4: Simplify right side
    134,883.16x = 13,858,742,476.60
  5. Step 5: Solve for x
    x = 13,858,742,476.60/134,883.16
  6. Step 6: Final answer
    x = 102,746.28

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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.