Home / 191,212.23-263,928.50-127,549.87

Finding the Fourth Proportional to 191,212.23, 263,928.50 and 127,549.87

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Solution

The fourth proportional to 191,212.23, 263,928.50 and 127,549.87 is: 176,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,212.23 : 263,928.50 = 127,549.87 : x
  2. Step 2: Convert to fraction form
    191,212.23/263,928.50 = 127,549.87/x
  3. Step 3: Cross multiply
    191,212.23x = 263,928.50 × 127,549.87
  4. Step 4: Simplify right side
    191,212.23x = 33,664,045,226.55
  5. Step 5: Solve for x
    x = 33,664,045,226.55/191,212.23
  6. Step 6: Final answer
    x = 176,055.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.