Home / 162,133.52-243,235.71-49,821.75

Finding the Fourth Proportional to 162,133.52, 243,235.71 and 49,821.75

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Solution

The fourth proportional to 162,133.52, 243,235.71 and 49,821.75 is: 74,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,133.52 : 243,235.71 = 49,821.75 : x
  2. Step 2: Convert to fraction form
    162,133.52/243,235.71 = 49,821.75/x
  3. Step 3: Cross multiply
    162,133.52x = 243,235.71 × 49,821.75
  4. Step 4: Simplify right side
    162,133.52x = 12,118,428,734.69
  5. Step 5: Solve for x
    x = 12,118,428,734.69/162,133.52
  6. Step 6: Final answer
    x = 74,743.51

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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.