Home / 134,646.24-185,803.43-74,217.36

Finding the Fourth Proportional to 134,646.24, 185,803.43 and 74,217.36

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Solution

The fourth proportional to 134,646.24, 185,803.43 and 74,217.36 is: 102,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,646.24 : 185,803.43 = 74,217.36 : x
  2. Step 2: Convert to fraction form
    134,646.24/185,803.43 = 74,217.36/x
  3. Step 3: Cross multiply
    134,646.24x = 185,803.43 × 74,217.36
  4. Step 4: Simplify right side
    134,646.24x = 13,789,839,682.46
  5. Step 5: Solve for x
    x = 13,789,839,682.46/134,646.24
  6. Step 6: Final answer
    x = 102,415.33

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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.