Home / 162,279.51-243,442.49-49,969.23

Finding the Fourth Proportional to 162,279.51, 243,442.49 and 49,969.23

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Solution

The fourth proportional to 162,279.51, 243,442.49 and 49,969.23 is: 74,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,279.51 : 243,442.49 = 49,969.23 : x
  2. Step 2: Convert to fraction form
    162,279.51/243,442.49 = 49,969.23/x
  3. Step 3: Cross multiply
    162,279.51x = 243,442.49 × 49,969.23
  4. Step 4: Simplify right side
    162,279.51x = 12,164,633,524.74
  5. Step 5: Solve for x
    x = 12,164,633,524.74/162,279.51
  6. Step 6: Final answer
    x = 74,960.99

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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.