Home / 154,115.96-231,218.22-64,141.16

Finding the Fourth Proportional to 154,115.96, 231,218.22 and 64,141.16

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Solution

The fourth proportional to 154,115.96, 231,218.22 and 64,141.16 is: 96,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,115.96 : 231,218.22 = 64,141.16 : x
  2. Step 2: Convert to fraction form
    154,115.96/231,218.22 = 64,141.16/x
  3. Step 3: Cross multiply
    154,115.96x = 231,218.22 × 64,141.16
  4. Step 4: Simplify right side
    154,115.96x = 14,830,604,843.94
  5. Step 5: Solve for x
    x = 14,830,604,843.94/154,115.96
  6. Step 6: Final answer
    x = 96,230.17

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1.5x scale

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.