Home / 251,746.32-377,508.69-133,390.38

Finding the Fourth Proportional to 251,746.32, 377,508.69 and 133,390.38

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Solution

The fourth proportional to 251,746.32, 377,508.69 and 133,390.38 is: 200,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,746.32 : 377,508.69 = 133,390.38 : x
  2. Step 2: Convert to fraction form
    251,746.32/377,508.69 = 133,390.38/x
  3. Step 3: Cross multiply
    251,746.32x = 377,508.69 × 133,390.38
  4. Step 4: Simplify right side
    251,746.32x = 50,356,027,612.40
  5. Step 5: Solve for x
    x = 50,356,027,612.40/251,746.32
  6. Step 6: Final answer
    x = 200,026.87

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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.