Home / 191,942.35-287,144.56-165,927.31

Finding the Fourth Proportional to 191,942.35, 287,144.56 and 165,927.31

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Solution

The fourth proportional to 191,942.35, 287,144.56 and 165,927.31 is: 248,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,942.35 : 287,144.56 = 165,927.31 : x
  2. Step 2: Convert to fraction form
    191,942.35/287,144.56 = 165,927.31/x
  3. Step 3: Cross multiply
    191,942.35x = 287,144.56 × 165,927.31
  4. Step 4: Simplify right side
    191,942.35x = 47,645,124,421.93
  5. Step 5: Solve for x
    x = 47,645,124,421.93/191,942.35
  6. Step 6: Final answer
    x = 248,226.22

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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.