Home / 105,925.12-146,176.74-58,180.84

Finding the Fourth Proportional to 105,925.12, 146,176.74 and 58,180.84

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Solution

The fourth proportional to 105,925.12, 146,176.74 and 58,180.84 is: 80,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,925.12 : 146,176.74 = 58,180.84 : x
  2. Step 2: Convert to fraction form
    105,925.12/146,176.74 = 58,180.84/x
  3. Step 3: Cross multiply
    105,925.12x = 146,176.74 × 58,180.84
  4. Step 4: Simplify right side
    105,925.12x = 8,504,685,521.66
  5. Step 5: Solve for x
    x = 8,504,685,521.66/105,925.12
  6. Step 6: Final answer
    x = 80,289.60

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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.