Home / 335,112.23-502,510.41-121,729.72

Finding the Fourth Proportional to 335,112.23, 502,510.41 and 121,729.72

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Solution

The fourth proportional to 335,112.23, 502,510.41 and 121,729.72 is: 182,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,112.23 : 502,510.41 = 121,729.72 : x
  2. Step 2: Convert to fraction form
    335,112.23/502,510.41 = 121,729.72/x
  3. Step 3: Cross multiply
    335,112.23x = 502,510.41 × 121,729.72
  4. Step 4: Simplify right side
    335,112.23x = 61,170,451,506.39
  5. Step 5: Solve for x
    x = 61,170,451,506.39/335,112.23
  6. Step 6: Final answer
    x = 182,537.21

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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.