Home / 131,985.04-197,935.88-43,218.14

Finding the Fourth Proportional to 131,985.04, 197,935.88 and 43,218.14

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Solution

The fourth proportional to 131,985.04, 197,935.88 and 43,218.14 is: 64,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,985.04 : 197,935.88 = 43,218.14 : x
  2. Step 2: Convert to fraction form
    131,985.04/197,935.88 = 43,218.14/x
  3. Step 3: Cross multiply
    131,985.04x = 197,935.88 × 43,218.14
  4. Step 4: Simplify right side
    131,985.04x = 8,554,420,572.86
  5. Step 5: Solve for x
    x = 8,554,420,572.86/131,985.04
  6. Step 6: Final answer
    x = 64,813.56

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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.