Home / 102,999.12-153,726.44-96,273.12

Finding the Fourth Proportional to 102,999.12, 153,726.44 and 96,273.12

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Solution

The fourth proportional to 102,999.12, 153,726.44 and 96,273.12 is: 143,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,999.12 : 153,726.44 = 96,273.12 : x
  2. Step 2: Convert to fraction form
    102,999.12/153,726.44 = 96,273.12/x
  3. Step 3: Cross multiply
    102,999.12x = 153,726.44 × 96,273.12
  4. Step 4: Simplify right side
    102,999.12x = 14,799,724,005.29
  5. Step 5: Solve for x
    x = 14,799,724,005.29/102,999.12
  6. Step 6: Final answer
    x = 143,687.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.