Home / 191,711.34-264,562.70-111,186.62

Finding the Fourth Proportional to 191,711.34, 264,562.70 and 111,186.62

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Solution

The fourth proportional to 191,711.34, 264,562.70 and 111,186.62 is: 153,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,711.34 : 264,562.70 = 111,186.62 : x
  2. Step 2: Convert to fraction form
    191,711.34/264,562.70 = 111,186.62/x
  3. Step 3: Cross multiply
    191,711.34x = 264,562.70 × 111,186.62
  4. Step 4: Simplify right side
    191,711.34x = 29,415,830,512.33
  5. Step 5: Solve for x
    x = 29,415,830,512.33/191,711.34
  6. Step 6: Final answer
    x = 153,438.14

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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.