Home / 122,514.96-183,788.90-120,317.03

Finding the Fourth Proportional to 122,514.96, 183,788.90 and 120,317.03

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Solution

The fourth proportional to 122,514.96, 183,788.90 and 120,317.03 is: 180,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,514.96 : 183,788.90 = 120,317.03 : x
  2. Step 2: Convert to fraction form
    122,514.96/183,788.90 = 120,317.03/x
  3. Step 3: Cross multiply
    122,514.96x = 183,788.90 × 120,317.03
  4. Step 4: Simplify right side
    122,514.96x = 22,112,934,214.83
  5. Step 5: Solve for x
    x = 22,112,934,214.83/122,514.96
  6. Step 6: Final answer
    x = 180,491.70

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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.