Home / 397,518.40-596,281.16-113,208.72

Finding the Fourth Proportional to 397,518.40, 596,281.16 and 113,208.72

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Solution

The fourth proportional to 397,518.40, 596,281.16 and 113,208.72 is: 169,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,518.40 : 596,281.16 = 113,208.72 : x
  2. Step 2: Convert to fraction form
    397,518.40/596,281.16 = 113,208.72/x
  3. Step 3: Cross multiply
    397,518.40x = 596,281.16 × 113,208.72
  4. Step 4: Simplify right side
    397,518.40x = 67,504,226,883.72
  5. Step 5: Solve for x
    x = 67,504,226,883.72/397,518.40
  6. Step 6: Final answer
    x = 169,814.09

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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.