Home / 191,511.22-263,835.93-133,267.82

Finding the Fourth Proportional to 191,511.22, 263,835.93 and 133,267.82

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Solution

The fourth proportional to 191,511.22, 263,835.93 and 133,267.82 is: 183,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,511.22 : 263,835.93 = 133,267.82 : x
  2. Step 2: Convert to fraction form
    191,511.22/263,835.93 = 133,267.82/x
  3. Step 3: Cross multiply
    191,511.22x = 263,835.93 × 133,267.82
  4. Step 4: Simplify right side
    191,511.22x = 35,160,837,909.59
  5. Step 5: Solve for x
    x = 35,160,837,909.59/191,511.22
  6. Step 6: Final answer
    x = 183,596.75

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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.