Home / 180,381.93-248,927.36-99,812.85

Finding the Fourth Proportional to 180,381.93, 248,927.36 and 99,812.85

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Solution

The fourth proportional to 180,381.93, 248,927.36 and 99,812.85 is: 137,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,381.93 : 248,927.36 = 99,812.85 : x
  2. Step 2: Convert to fraction form
    180,381.93/248,927.36 = 99,812.85/x
  3. Step 3: Cross multiply
    180,381.93x = 248,927.36 × 99,812.85
  4. Step 4: Simplify right side
    180,381.93x = 24,846,148,745.51
  5. Step 5: Solve for x
    x = 24,846,148,745.51/180,381.93
  6. Step 6: Final answer
    x = 137,741.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.