Home / 383,865.40-575,841.30-117,623.80

Finding the Fourth Proportional to 383,865.40, 575,841.30 and 117,623.80

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Solution

The fourth proportional to 383,865.40, 575,841.30 and 117,623.80 is: 176,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,865.40 : 575,841.30 = 117,623.80 : x
  2. Step 2: Convert to fraction form
    383,865.40/575,841.30 = 117,623.80/x
  3. Step 3: Cross multiply
    383,865.40x = 575,841.30 × 117,623.80
  4. Step 4: Simplify right side
    383,865.40x = 67,732,641,902.94
  5. Step 5: Solve for x
    x = 67,732,641,902.94/383,865.40
  6. Step 6: Final answer
    x = 176,448.94

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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.