Home / 122,156.88-182,924.28-80,477.52

Finding the Fourth Proportional to 122,156.88, 182,924.28 and 80,477.52

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Solution

The fourth proportional to 122,156.88, 182,924.28 and 80,477.52 is: 120,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,156.88 : 182,924.28 = 80,477.52 : x
  2. Step 2: Convert to fraction form
    122,156.88/182,924.28 = 80,477.52/x
  3. Step 3: Cross multiply
    122,156.88x = 182,924.28 × 80,477.52
  4. Step 4: Simplify right side
    122,156.88x = 14,721,292,402.19
  5. Step 5: Solve for x
    x = 14,721,292,402.19/122,156.88
  6. Step 6: Final answer
    x = 120,511.37

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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.