Home / 251,044.22-346,447.05-137,869.40

Finding the Fourth Proportional to 251,044.22, 346,447.05 and 137,869.40

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Solution

The fourth proportional to 251,044.22, 346,447.05 and 137,869.40 is: 190,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,044.22 : 346,447.05 = 137,869.40 : x
  2. Step 2: Convert to fraction form
    251,044.22/346,447.05 = 137,869.40/x
  3. Step 3: Cross multiply
    251,044.22x = 346,447.05 × 137,869.40
  4. Step 4: Simplify right side
    251,044.22x = 47,764,446,915.27
  5. Step 5: Solve for x
    x = 47,764,446,915.27/251,044.22
  6. Step 6: Final answer
    x = 190,263.08

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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.