Home / 122,523.86-183,811.29-38,280.62

Finding the Fourth Proportional to 122,523.86, 183,811.29 and 38,280.62

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Solution

The fourth proportional to 122,523.86, 183,811.29 and 38,280.62 is: 57,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,523.86 : 183,811.29 = 38,280.62 : x
  2. Step 2: Convert to fraction form
    122,523.86/183,811.29 = 38,280.62/x
  3. Step 3: Cross multiply
    122,523.86x = 183,811.29 × 38,280.62
  4. Step 4: Simplify right side
    122,523.86x = 7,036,409,225.14
  5. Step 5: Solve for x
    x = 7,036,409,225.14/122,523.86
  6. Step 6: Final answer
    x = 57,428.89

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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.