Home / 199,651.13-299,475.48-49,890.65

Finding the Fourth Proportional to 199,651.13, 299,475.48 and 49,890.65

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Solution

The fourth proportional to 199,651.13, 299,475.48 and 49,890.65 is: 74,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,651.13 : 299,475.48 = 49,890.65 : x
  2. Step 2: Convert to fraction form
    199,651.13/299,475.48 = 49,890.65/x
  3. Step 3: Cross multiply
    199,651.13x = 299,475.48 × 49,890.65
  4. Step 4: Simplify right side
    199,651.13x = 14,941,026,356.26
  5. Step 5: Solve for x
    x = 14,941,026,356.26/199,651.13
  6. Step 6: Final answer
    x = 74,835.67

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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.