Home / 134,968.77-186,256.26-74,539.13

Finding the Fourth Proportional to 134,968.77, 186,256.26 and 74,539.13

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Solution

The fourth proportional to 134,968.77, 186,256.26 and 74,539.13 is: 102,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,968.77 : 186,256.26 = 74,539.13 : x
  2. Step 2: Convert to fraction form
    134,968.77/186,256.26 = 74,539.13/x
  3. Step 3: Cross multiply
    134,968.77x = 186,256.26 × 74,539.13
  4. Step 4: Simplify right side
    134,968.77x = 13,883,378,646.17
  5. Step 5: Solve for x
    x = 13,883,378,646.17/134,968.77
  6. Step 6: Final answer
    x = 102,863.64

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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.