Home / 134,519.22-185,637.74-74,091.96

Finding the Fourth Proportional to 134,519.22, 185,637.74 and 74,091.96

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Solution

The fourth proportional to 134,519.22, 185,637.74 and 74,091.96 is: 102,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,519.22 : 185,637.74 = 74,091.96 : x
  2. Step 2: Convert to fraction form
    134,519.22/185,637.74 = 74,091.96/x
  3. Step 3: Cross multiply
    134,519.22x = 185,637.74 × 74,091.96
  4. Step 4: Simplify right side
    134,519.22x = 13,754,263,636.11
  5. Step 5: Solve for x
    x = 13,754,263,636.11/134,519.22
  6. Step 6: Final answer
    x = 102,247.57

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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.