Home / 189,961.86-284,754.86-89,946.30

Finding the Fourth Proportional to 189,961.86, 284,754.86 and 89,946.30

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Solution

The fourth proportional to 189,961.86, 284,754.86 and 89,946.30 is: 134,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,961.86 : 284,754.86 = 89,946.30 : x
  2. Step 2: Convert to fraction form
    189,961.86/284,754.86 = 89,946.30/x
  3. Step 3: Cross multiply
    189,961.86x = 284,754.86 × 89,946.30
  4. Step 4: Simplify right side
    189,961.86x = 25,612,646,064.02
  5. Step 5: Solve for x
    x = 25,612,646,064.02/189,961.86
  6. Step 6: Final answer
    x = 134,830.47

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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.