Home / 134,448.64-185,536.20-74,016.98

Finding the Fourth Proportional to 134,448.64, 185,536.20 and 74,016.98

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Solution

The fourth proportional to 134,448.64, 185,536.20 and 74,016.98 is: 102,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,448.64 : 185,536.20 = 74,016.98 : x
  2. Step 2: Convert to fraction form
    134,448.64/185,536.20 = 74,016.98/x
  3. Step 3: Cross multiply
    134,448.64x = 185,536.20 × 74,016.98
  4. Step 4: Simplify right side
    134,448.64x = 13,732,829,204.68
  5. Step 5: Solve for x
    x = 13,732,829,204.68/134,448.64
  6. Step 6: Final answer
    x = 102,141.82

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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.