Home / 189,886.20-284,998.26-101,212.92

Finding the Fourth Proportional to 189,886.20, 284,998.26 and 101,212.92

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Solution

The fourth proportional to 189,886.20, 284,998.26 and 101,212.92 is: 151,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,886.20 : 284,998.26 = 101,212.92 : x
  2. Step 2: Convert to fraction form
    189,886.20/284,998.26 = 101,212.92/x
  3. Step 3: Cross multiply
    189,886.20x = 284,998.26 × 101,212.92
  4. Step 4: Simplify right side
    189,886.20x = 28,845,506,089.52
  5. Step 5: Solve for x
    x = 28,845,506,089.52/189,886.20
  6. Step 6: Final answer
    x = 151,909.44

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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.