Home / 106,176.77-146,530.47-58,440.65

Finding the Fourth Proportional to 106,176.77, 146,530.47 and 58,440.65

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Solution

The fourth proportional to 106,176.77, 146,530.47 and 58,440.65 is: 80,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,176.77 : 146,530.47 = 58,440.65 : x
  2. Step 2: Convert to fraction form
    106,176.77/146,530.47 = 58,440.65/x
  3. Step 3: Cross multiply
    106,176.77x = 146,530.47 × 58,440.65
  4. Step 4: Simplify right side
    106,176.77x = 8,563,335,911.61
  5. Step 5: Solve for x
    x = 8,563,335,911.61/106,176.77
  6. Step 6: Final answer
    x = 80,651.69

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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.