Home / 140,322.84-193,649.32-83,767.04

Finding the Fourth Proportional to 140,322.84, 193,649.32 and 83,767.04

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Solution

The fourth proportional to 140,322.84, 193,649.32 and 83,767.04 is: 115,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,322.84 : 193,649.32 = 83,767.04 : x
  2. Step 2: Convert to fraction form
    140,322.84/193,649.32 = 83,767.04/x
  3. Step 3: Cross multiply
    140,322.84x = 193,649.32 × 83,767.04
  4. Step 4: Simplify right side
    140,322.84x = 16,221,430,334.41
  5. Step 5: Solve for x
    x = 16,221,430,334.41/140,322.84
  6. Step 6: Final answer
    x = 115,600.78

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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.