Home / 753,152.09-1,129,727.52-192,186.59

Finding the Fourth Proportional to 753,152.09, 1,129,727.52 and 192,186.59

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Solution

The fourth proportional to 753,152.09, 1,129,727.52 and 192,186.59 is: 288,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,152.09 : 1,129,727.52 = 192,186.59 : x
  2. Step 2: Convert to fraction form
    753,152.09/1,129,727.52 = 192,186.59/x
  3. Step 3: Cross multiply
    753,152.09x = 1,129,727.52 × 192,186.59
  4. Step 4: Simplify right side
    753,152.09x = 217,118,474,049.32
  5. Step 5: Solve for x
    x = 217,118,474,049.32/753,152.09
  6. Step 6: Final answer
    x = 288,279.72

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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.