Home / 335,307.36-502,286.31-155,139.06

Finding the Fourth Proportional to 335,307.36, 502,286.31 and 155,139.06

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Solution

The fourth proportional to 335,307.36, 502,286.31 and 155,139.06 is: 232,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,307.36 : 502,286.31 = 155,139.06 : x
  2. Step 2: Convert to fraction form
    335,307.36/502,286.31 = 155,139.06/x
  3. Step 3: Cross multiply
    335,307.36x = 502,286.31 × 155,139.06
  4. Step 4: Simplify right side
    335,307.36x = 77,924,225,984.27
  5. Step 5: Solve for x
    x = 77,924,225,984.27/335,307.36
  6. Step 6: Final answer
    x = 232,396.41

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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.