Home / 102,187.01-153,235.82-51,554.88

Finding the Fourth Proportional to 102,187.01, 153,235.82 and 51,554.88

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Solution

The fourth proportional to 102,187.01, 153,235.82 and 51,554.88 is: 77,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,187.01 : 153,235.82 = 51,554.88 : x
  2. Step 2: Convert to fraction form
    102,187.01/153,235.82 = 51,554.88/x
  3. Step 3: Cross multiply
    102,187.01x = 153,235.82 × 51,554.88
  4. Step 4: Simplify right side
    102,187.01x = 7,900,054,311.80
  5. Step 5: Solve for x
    x = 7,900,054,311.80/102,187.01
  6. Step 6: Final answer
    x = 77,309.77

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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.