Home / 189,910.17-284,903.67-84,729.13

Finding the Fourth Proportional to 189,910.17, 284,903.67 and 84,729.13

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Solution

The fourth proportional to 189,910.17, 284,903.67 and 84,729.13 is: 127,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,910.17 : 284,903.67 = 84,729.13 : x
  2. Step 2: Convert to fraction form
    189,910.17/284,903.67 = 84,729.13/x
  3. Step 3: Cross multiply
    189,910.17x = 284,903.67 × 84,729.13
  4. Step 4: Simplify right side
    189,910.17x = 24,139,640,092.91
  5. Step 5: Solve for x
    x = 24,139,640,092.91/189,910.17
  6. Step 6: Final answer
    x = 127,110.83

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1.5x scale

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.