Home / 316,629.50-436,953.48-173,402.84

Finding the Fourth Proportional to 316,629.50, 436,953.48 and 173,402.84

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Solution

The fourth proportional to 316,629.50, 436,953.48 and 173,402.84 is: 239,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,629.50 : 436,953.48 = 173,402.84 : x
  2. Step 2: Convert to fraction form
    316,629.50/436,953.48 = 173,402.84/x
  3. Step 3: Cross multiply
    316,629.50x = 436,953.48 × 173,402.84
  4. Step 4: Simplify right side
    316,629.50x = 75,768,974,379.88
  5. Step 5: Solve for x
    x = 75,768,974,379.88/316,629.50
  6. Step 6: Final answer
    x = 239,298.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.