Home / 191,159.58-263,814.03-106,289.40

Finding the Fourth Proportional to 191,159.58, 263,814.03 and 106,289.40

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Solution

The fourth proportional to 191,159.58, 263,814.03 and 106,289.40 is: 146,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,159.58 : 263,814.03 = 106,289.40 : x
  2. Step 2: Convert to fraction form
    191,159.58/263,814.03 = 106,289.40/x
  3. Step 3: Cross multiply
    191,159.58x = 263,814.03 × 106,289.40
  4. Step 4: Simplify right side
    191,159.58x = 28,040,634,960.28
  5. Step 5: Solve for x
    x = 28,040,634,960.28/191,159.58
  6. Step 6: Final answer
    x = 146,687.05

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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.