Home / 251,055.27-346,456.26-137,878.02

Finding the Fourth Proportional to 251,055.27, 346,456.26 and 137,878.02

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Solution

The fourth proportional to 251,055.27, 346,456.26 and 137,878.02 is: 190,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,055.27 : 346,456.26 = 137,878.02 : x
  2. Step 2: Convert to fraction form
    251,055.27/346,456.26 = 137,878.02/x
  3. Step 3: Cross multiply
    251,055.27x = 346,456.26 × 137,878.02
  4. Step 4: Simplify right side
    251,055.27x = 47,768,703,145.41
  5. Step 5: Solve for x
    x = 47,768,703,145.41/251,055.27
  6. Step 6: Final answer
    x = 190,271.66

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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.