Home / 189,542.37-284,411.95-77,304.93

Finding the Fourth Proportional to 189,542.37, 284,411.95 and 77,304.93

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Solution

The fourth proportional to 189,542.37, 284,411.95 and 77,304.93 is: 115,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,542.37 : 284,411.95 = 77,304.93 : x
  2. Step 2: Convert to fraction form
    189,542.37/284,411.95 = 77,304.93/x
  3. Step 3: Cross multiply
    189,542.37x = 284,411.95 × 77,304.93
  4. Step 4: Simplify right side
    189,542.37x = 21,986,444,077.33
  5. Step 5: Solve for x
    x = 21,986,444,077.33/189,542.37
  6. Step 6: Final answer
    x = 115,997.52

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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.