Home / 189,532.23-284,296.95-77,186.04

Finding the Fourth Proportional to 189,532.23, 284,296.95 and 77,186.04

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Solution

The fourth proportional to 189,532.23, 284,296.95 and 77,186.04 is: 115,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,532.23 : 284,296.95 = 77,186.04 : x
  2. Step 2: Convert to fraction form
    189,532.23/284,296.95 = 77,186.04/x
  3. Step 3: Cross multiply
    189,532.23x = 284,296.95 × 77,186.04
  4. Step 4: Simplify right side
    189,532.23x = 21,943,755,754.58
  5. Step 5: Solve for x
    x = 21,943,755,754.58/189,532.23
  6. Step 6: Final answer
    x = 115,778.49

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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.