Home / 318,320.73-439,286.09-175,081.95

Finding the Fourth Proportional to 318,320.73, 439,286.09 and 175,081.95

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Solution

The fourth proportional to 318,320.73, 439,286.09 and 175,081.95 is: 241,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,320.73 : 439,286.09 = 175,081.95 : x
  2. Step 2: Convert to fraction form
    318,320.73/439,286.09 = 175,081.95/x
  3. Step 3: Cross multiply
    318,320.73x = 439,286.09 × 175,081.95
  4. Step 4: Simplify right side
    318,320.73x = 76,911,064,369.67
  5. Step 5: Solve for x
    x = 76,911,064,369.67/318,320.73
  6. Step 6: Final answer
    x = 241,615.00

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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.