Home / 106,178.07-146,529.63-58,435.05

Finding the Fourth Proportional to 106,178.07, 146,529.63 and 58,435.05

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Solution

The fourth proportional to 106,178.07, 146,529.63 and 58,435.05 is: 80,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,178.07 : 146,529.63 = 58,435.05 : x
  2. Step 2: Convert to fraction form
    106,178.07/146,529.63 = 58,435.05/x
  3. Step 3: Cross multiply
    106,178.07x = 146,529.63 × 58,435.05
  4. Step 4: Simplify right side
    106,178.07x = 8,562,466,255.53
  5. Step 5: Solve for x
    x = 8,562,466,255.53/106,178.07
  6. Step 6: Final answer
    x = 80,642.51

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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.