Home / 121,901.03-182,785.80-55,304.82

Finding the Fourth Proportional to 121,901.03, 182,785.80 and 55,304.82

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Solution

The fourth proportional to 121,901.03, 182,785.80 and 55,304.82 is: 82,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,901.03 : 182,785.80 = 55,304.82 : x
  2. Step 2: Convert to fraction form
    121,901.03/182,785.80 = 55,304.82/x
  3. Step 3: Cross multiply
    121,901.03x = 182,785.80 × 55,304.82
  4. Step 4: Simplify right side
    121,901.03x = 10,108,935,767.56
  5. Step 5: Solve for x
    x = 10,108,935,767.56/121,901.03
  6. Step 6: Final answer
    x = 82,927.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.