Home / 383,857.37-575,765.27-117,618.65

Finding the Fourth Proportional to 383,857.37, 575,765.27 and 117,618.65

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Solution

The fourth proportional to 383,857.37, 575,765.27 and 117,618.65 is: 176,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,857.37 : 575,765.27 = 117,618.65 : x
  2. Step 2: Convert to fraction form
    383,857.37/575,765.27 = 117,618.65/x
  3. Step 3: Cross multiply
    383,857.37x = 575,765.27 × 117,618.65
  4. Step 4: Simplify right side
    383,857.37x = 67,720,730,307.37
  5. Step 5: Solve for x
    x = 67,720,730,307.37/383,857.37
  6. Step 6: Final answer
    x = 176,421.60

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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.