Home / 157,003.10-235,541.40-51,821.97

Finding the Fourth Proportional to 157,003.10, 235,541.40 and 51,821.97

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Solution

The fourth proportional to 157,003.10, 235,541.40 and 51,821.97 is: 77,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,003.10 : 235,541.40 = 51,821.97 : x
  2. Step 2: Convert to fraction form
    157,003.10/235,541.40 = 51,821.97/x
  3. Step 3: Cross multiply
    157,003.10x = 235,541.40 × 51,821.97
  4. Step 4: Simplify right side
    157,003.10x = 12,206,218,186.85
  5. Step 5: Solve for x
    x = 12,206,218,186.85/157,003.10
  6. Step 6: Final answer
    x = 77,745.08

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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.