Home / 250,822.10-346,120.69-137,635.86

Finding the Fourth Proportional to 250,822.10, 346,120.69 and 137,635.86

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Solution

The fourth proportional to 250,822.10, 346,120.69 and 137,635.86 is: 189,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,822.10 : 346,120.69 = 137,635.86 : x
  2. Step 2: Convert to fraction form
    250,822.10/346,120.69 = 137,635.86/x
  3. Step 3: Cross multiply
    250,822.10x = 346,120.69 × 137,635.86
  4. Step 4: Simplify right side
    250,822.10x = 47,638,618,831.94
  5. Step 5: Solve for x
    x = 47,638,618,831.94/250,822.10
  6. Step 6: Final answer
    x = 189,929.91

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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.