Home / 383,985.90-575,983.17-117,748.62

Finding the Fourth Proportional to 383,985.90, 575,983.17 and 117,748.62

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Solution

The fourth proportional to 383,985.90, 575,983.17 and 117,748.62 is: 176,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,985.90 : 575,983.17 = 117,748.62 : x
  2. Step 2: Convert to fraction form
    383,985.90/575,983.17 = 117,748.62/x
  3. Step 3: Cross multiply
    383,985.90x = 575,983.17 × 117,748.62
  4. Step 4: Simplify right side
    383,985.90x = 67,821,223,410.73
  5. Step 5: Solve for x
    x = 67,821,223,410.73/383,985.90
  6. Step 6: Final answer
    x = 176,624.25

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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.