Home / 154,525.20-231,730.20-61,011.60

Finding the Fourth Proportional to 154,525.20, 231,730.20 and 61,011.60

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Solution

The fourth proportional to 154,525.20, 231,730.20 and 61,011.60 is: 91,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525.20 : 231,730.20 = 61,011.60 : x
  2. Step 2: Convert to fraction form
    154,525.20/231,730.20 = 61,011.60/x
  3. Step 3: Cross multiply
    154,525.20x = 231,730.20 × 61,011.60
  4. Step 4: Simplify right side
    154,525.20x = 14,138,230,270.32
  5. Step 5: Solve for x
    x = 14,138,230,270.32/154,525.20
  6. Step 6: Final answer
    x = 91,494.66

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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.