Home / 176,579.70-243,570.66-153,972.96

Finding the Fourth Proportional to 176,579.70, 243,570.66 and 153,972.96

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Solution

The fourth proportional to 176,579.70, 243,570.66 and 153,972.96 is: 212,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,579.70 : 243,570.66 = 153,972.96 : x
  2. Step 2: Convert to fraction form
    176,579.70/243,570.66 = 153,972.96/x
  3. Step 3: Cross multiply
    176,579.70x = 243,570.66 × 153,972.96
  4. Step 4: Simplify right side
    176,579.70x = 37,503,295,489.35
  5. Step 5: Solve for x
    x = 37,503,295,489.35/176,579.70
  6. Step 6: Final answer
    x = 212,387.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.