Home / 238,301.11-328,857.80-130,873.38

Finding the Fourth Proportional to 238,301.11, 328,857.80 and 130,873.38

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Solution

The fourth proportional to 238,301.11, 328,857.80 and 130,873.38 is: 180,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,301.11 : 328,857.80 = 130,873.38 : x
  2. Step 2: Convert to fraction form
    238,301.11/328,857.80 = 130,873.38/x
  3. Step 3: Cross multiply
    238,301.11x = 328,857.80 × 130,873.38
  4. Step 4: Simplify right side
    238,301.11x = 43,038,731,825.36
  5. Step 5: Solve for x
    x = 43,038,731,825.36/238,301.11
  6. Step 6: Final answer
    x = 180,606.51

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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.