Home / 316,823.13-475,340.80-103,600.89

Finding the Fourth Proportional to 316,823.13, 475,340.80 and 103,600.89

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Solution

The fourth proportional to 316,823.13, 475,340.80 and 103,600.89 is: 155,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,823.13 : 475,340.80 = 103,600.89 : x
  2. Step 2: Convert to fraction form
    316,823.13/475,340.80 = 103,600.89/x
  3. Step 3: Cross multiply
    316,823.13x = 475,340.80 × 103,600.89
  4. Step 4: Simplify right side
    316,823.13x = 49,245,729,933.31
  5. Step 5: Solve for x
    x = 49,245,729,933.31/316,823.13
  6. Step 6: Final answer
    x = 155,436.03

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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.