Home / 251,221.34-376,887.37-139,065.14

Finding the Fourth Proportional to 251,221.34, 376,887.37 and 139,065.14

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Solution

The fourth proportional to 251,221.34, 376,887.37 and 139,065.14 is: 208,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,221.34 : 376,887.37 = 139,065.14 : x
  2. Step 2: Convert to fraction form
    251,221.34/376,887.37 = 139,065.14/x
  3. Step 3: Cross multiply
    251,221.34x = 376,887.37 × 139,065.14
  4. Step 4: Simplify right side
    251,221.34x = 52,411,894,873.28
  5. Step 5: Solve for x
    x = 52,411,894,873.28/251,221.34
  6. Step 6: Final answer
    x = 208,628.35

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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.