Home / 129,187.04-193,527.83-84,677.94

Finding the Fourth Proportional to 129,187.04, 193,527.83 and 84,677.94

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Solution

The fourth proportional to 129,187.04, 193,527.83 and 84,677.94 is: 126,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,187.04 : 193,527.83 = 84,677.94 : x
  2. Step 2: Convert to fraction form
    129,187.04/193,527.83 = 84,677.94/x
  3. Step 3: Cross multiply
    129,187.04x = 193,527.83 × 84,677.94
  4. Step 4: Simplify right side
    129,187.04x = 16,387,538,188.77
  5. Step 5: Solve for x
    x = 16,387,538,188.77/129,187.04
  6. Step 6: Final answer
    x = 126,851.26

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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.