Home / 183,926.52-275,658.93-78,621.66

Finding the Fourth Proportional to 183,926.52, 275,658.93 and 78,621.66

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Solution

The fourth proportional to 183,926.52, 275,658.93 and 78,621.66 is: 117,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,926.52 : 275,658.93 = 78,621.66 : x
  2. Step 2: Convert to fraction form
    183,926.52/275,658.93 = 78,621.66/x
  3. Step 3: Cross multiply
    183,926.52x = 275,658.93 × 78,621.66
  4. Step 4: Simplify right side
    183,926.52x = 21,672,762,670.42
  5. Step 5: Solve for x
    x = 21,672,762,670.42/183,926.52
  6. Step 6: Final answer
    x = 117,833.81

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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.