Home / 251,065.36-346,487.16-137,889.28

Finding the Fourth Proportional to 251,065.36, 346,487.16 and 137,889.28

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Solution

The fourth proportional to 251,065.36, 346,487.16 and 137,889.28 is: 190,296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,065.36 : 346,487.16 = 137,889.28 : x
  2. Step 2: Convert to fraction form
    251,065.36/346,487.16 = 137,889.28/x
  3. Step 3: Cross multiply
    251,065.36x = 346,487.16 × 137,889.28
  4. Step 4: Simplify right side
    251,065.36x = 47,776,865,021.64
  5. Step 5: Solve for x
    x = 47,776,865,021.64/251,065.36
  6. Step 6: Final answer
    x = 190,296.52

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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.