Home / 397,245.47-596,130.64-186,899.81

Finding the Fourth Proportional to 397,245.47, 596,130.64 and 186,899.81

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Solution

The fourth proportional to 397,245.47, 596,130.64 and 186,899.81 is: 280,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,245.47 : 596,130.64 = 186,899.81 : x
  2. Step 2: Convert to fraction form
    397,245.47/596,130.64 = 186,899.81/x
  3. Step 3: Cross multiply
    397,245.47x = 596,130.64 × 186,899.81
  4. Step 4: Simplify right side
    397,245.47x = 111,416,700,604.15
  5. Step 5: Solve for x
    x = 111,416,700,604.15/397,245.47
  6. Step 6: Final answer
    x = 280,473.18

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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.