Home / 154,064.88-231,112.44-64,089.04

Finding the Fourth Proportional to 154,064.88, 231,112.44 and 64,089.04

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Solution

The fourth proportional to 154,064.88, 231,112.44 and 64,089.04 is: 96,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,064.88 : 231,112.44 = 64,089.04 : x
  2. Step 2: Convert to fraction form
    154,064.88/231,112.44 = 64,089.04/x
  3. Step 3: Cross multiply
    154,064.88x = 231,112.44 × 64,089.04
  4. Step 4: Simplify right side
    154,064.88x = 14,811,774,411.66
  5. Step 5: Solve for x
    x = 14,811,774,411.66/154,064.88
  6. Step 6: Final answer
    x = 96,139.85

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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.