Home / 122,412.87-183,559.16-71,824.83

Finding the Fourth Proportional to 122,412.87, 183,559.16 and 71,824.83

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Solution

The fourth proportional to 122,412.87, 183,559.16 and 71,824.83 is: 107,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,412.87 : 183,559.16 = 71,824.83 : x
  2. Step 2: Convert to fraction form
    122,412.87/183,559.16 = 71,824.83/x
  3. Step 3: Cross multiply
    122,412.87x = 183,559.16 × 71,824.83
  4. Step 4: Simplify right side
    122,412.87x = 13,184,104,953.16
  5. Step 5: Solve for x
    x = 13,184,104,953.16/122,412.87
  6. Step 6: Final answer
    x = 107,701.95

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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.