Home / 134,701.68-185,896.62-74,272.14

Finding the Fourth Proportional to 134,701.68, 185,896.62 and 74,272.14

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Solution

The fourth proportional to 134,701.68, 185,896.62 and 74,272.14 is: 102,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,701.68 : 185,896.62 = 74,272.14 : x
  2. Step 2: Convert to fraction form
    134,701.68/185,896.62 = 74,272.14/x
  3. Step 3: Cross multiply
    134,701.68x = 185,896.62 × 74,272.14
  4. Step 4: Simplify right side
    134,701.68x = 13,806,939,786.17
  5. Step 5: Solve for x
    x = 13,806,939,786.17/134,701.68
  6. Step 6: Final answer
    x = 102,500.13

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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.