Home / 154,566.86-213,315.78-86,582.74

Finding the Fourth Proportional to 154,566.86, 213,315.78 and 86,582.74

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Solution

The fourth proportional to 154,566.86, 213,315.78 and 86,582.74 is: 119,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,566.86 : 213,315.78 = 86,582.74 : x
  2. Step 2: Convert to fraction form
    154,566.86/213,315.78 = 86,582.74/x
  3. Step 3: Cross multiply
    154,566.86x = 213,315.78 × 86,582.74
  4. Step 4: Simplify right side
    154,566.86x = 18,469,464,717.64
  5. Step 5: Solve for x
    x = 18,469,464,717.64/154,566.86
  6. Step 6: Final answer
    x = 119,491.75

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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.