Home / 383,557.20-575,358.88-117,320.03

Finding the Fourth Proportional to 383,557.20, 575,358.88 and 117,320.03

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Solution

The fourth proportional to 383,557.20, 575,358.88 and 117,320.03 is: 175,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,557.20 : 575,358.88 = 117,320.03 : x
  2. Step 2: Convert to fraction form
    383,557.20/575,358.88 = 117,320.03/x
  3. Step 3: Cross multiply
    383,557.20x = 575,358.88 × 117,320.03
  4. Step 4: Simplify right side
    383,557.20x = 67,501,121,062.37
  5. Step 5: Solve for x
    x = 67,501,121,062.37/383,557.20
  6. Step 6: Final answer
    x = 175,987.10

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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.