Home / 154,186.56-231,315.48-47,567.88

Finding the Fourth Proportional to 154,186.56, 231,315.48 and 47,567.88

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Solution

The fourth proportional to 154,186.56, 231,315.48 and 47,567.88 is: 71,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,186.56 : 231,315.48 = 47,567.88 : x
  2. Step 2: Convert to fraction form
    154,186.56/231,315.48 = 47,567.88/x
  3. Step 3: Cross multiply
    154,186.56x = 231,315.48 × 47,567.88
  4. Step 4: Simplify right side
    154,186.56x = 11,003,186,994.78
  5. Step 5: Solve for x
    x = 11,003,186,994.78/154,186.56
  6. Step 6: Final answer
    x = 71,362.82

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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.