Home / 154,828.64-231,849.04-102,078.08

Finding the Fourth Proportional to 154,828.64, 231,849.04 and 102,078.08

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Solution

The fourth proportional to 154,828.64, 231,849.04 and 102,078.08 is: 152,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,828.64 : 231,849.04 = 102,078.08 : x
  2. Step 2: Convert to fraction form
    154,828.64/231,849.04 = 102,078.08/x
  3. Step 3: Cross multiply
    154,828.64x = 231,849.04 × 102,078.08
  4. Step 4: Simplify right side
    154,828.64x = 23,666,704,853.04
  5. Step 5: Solve for x
    x = 23,666,704,853.04/154,828.64
  6. Step 6: Final answer
    x = 152,857.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.