Home / 161,970.98-243,003.14-49,667.75

Finding the Fourth Proportional to 161,970.98, 243,003.14 and 49,667.75

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Solution

The fourth proportional to 161,970.98, 243,003.14 and 49,667.75 is: 74,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,970.98 : 243,003.14 = 49,667.75 : x
  2. Step 2: Convert to fraction form
    161,970.98/243,003.14 = 49,667.75/x
  3. Step 3: Cross multiply
    161,970.98x = 243,003.14 × 49,667.75
  4. Step 4: Simplify right side
    161,970.98x = 12,069,418,840.90
  5. Step 5: Solve for x
    x = 12,069,418,840.90/161,970.98
  6. Step 6: Final answer
    x = 74,515.94

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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.