Home / 154,207.48-231,218.63-64,141.86

Finding the Fourth Proportional to 154,207.48, 231,218.63 and 64,141.86

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Solution

The fourth proportional to 154,207.48, 231,218.63 and 64,141.86 is: 96,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,207.48 : 231,218.63 = 64,141.86 : x
  2. Step 2: Convert to fraction form
    154,207.48/231,218.63 = 64,141.86/x
  3. Step 3: Cross multiply
    154,207.48x = 231,218.63 × 64,141.86
  4. Step 4: Simplify right side
    154,207.48x = 14,830,792,994.85
  5. Step 5: Solve for x
    x = 14,830,792,994.85/154,207.48
  6. Step 6: Final answer
    x = 96,174.28

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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.