Home / 154,835.13-232,467.75-80,010.57

Finding the Fourth Proportional to 154,835.13, 232,467.75 and 80,010.57

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Solution

The fourth proportional to 154,835.13, 232,467.75 and 80,010.57 is: 120,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,835.13 : 232,467.75 = 80,010.57 : x
  2. Step 2: Convert to fraction form
    154,835.13/232,467.75 = 80,010.57/x
  3. Step 3: Cross multiply
    154,835.13x = 232,467.75 × 80,010.57
  4. Step 4: Simplify right side
    154,835.13x = 18,599,877,184.12
  5. Step 5: Solve for x
    x = 18,599,877,184.12/154,835.13
  6. Step 6: Final answer
    x = 120,126.98

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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.