Home / 162,106.38-243,166.52-49,791.07

Finding the Fourth Proportional to 162,106.38, 243,166.52 and 49,791.07

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Solution

The fourth proportional to 162,106.38, 243,166.52 and 49,791.07 is: 74,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,106.38 : 243,166.52 = 49,791.07 : x
  2. Step 2: Convert to fraction form
    162,106.38/243,166.52 = 49,791.07/x
  3. Step 3: Cross multiply
    162,106.38x = 243,166.52 × 49,791.07
  4. Step 4: Simplify right side
    162,106.38x = 12,107,521,218.98
  5. Step 5: Solve for x
    x = 12,107,521,218.98/162,106.38
  6. Step 6: Final answer
    x = 74,688.74

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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.