Home / 397,322.85-596,002.64-131,106.63

Finding the Fourth Proportional to 397,322.85, 596,002.64 and 131,106.63

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Solution

The fourth proportional to 397,322.85, 596,002.64 and 131,106.63 is: 196,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,322.85 : 596,002.64 = 131,106.63 : x
  2. Step 2: Convert to fraction form
    397,322.85/596,002.64 = 131,106.63/x
  3. Step 3: Cross multiply
    397,322.85x = 596,002.64 × 131,106.63
  4. Step 4: Simplify right side
    397,322.85x = 78,139,896,945.97
  5. Step 5: Solve for x
    x = 78,139,896,945.97/397,322.85
  6. Step 6: Final answer
    x = 196,666.00

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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.