Home / 102,186.51-153,235.08-51,554.38

Finding the Fourth Proportional to 102,186.51, 153,235.08 and 51,554.38

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Solution

The fourth proportional to 102,186.51, 153,235.08 and 51,554.38 is: 77,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,186.51 : 153,235.08 = 51,554.38 : x
  2. Step 2: Convert to fraction form
    102,186.51/153,235.08 = 51,554.38/x
  3. Step 3: Cross multiply
    102,186.51x = 153,235.08 × 51,554.38
  4. Step 4: Simplify right side
    102,186.51x = 7,899,939,285.88
  5. Step 5: Solve for x
    x = 7,899,939,285.88/102,186.51
  6. Step 6: Final answer
    x = 77,309.03

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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.