Home / 189,541.86-284,476.55-77,283.96

Finding the Fourth Proportional to 189,541.86, 284,476.55 and 77,283.96

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Solution

The fourth proportional to 189,541.86, 284,476.55 and 77,283.96 is: 115,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,541.86 : 284,476.55 = 77,283.96 : x
  2. Step 2: Convert to fraction form
    189,541.86/284,476.55 = 77,283.96/x
  3. Step 3: Cross multiply
    189,541.86x = 284,476.55 × 77,283.96
  4. Step 4: Simplify right side
    189,541.86x = 21,985,473,924.72
  5. Step 5: Solve for x
    x = 21,985,473,924.72/189,541.86
  6. Step 6: Final answer
    x = 115,992.71

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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.