Home / 176,789.48-243,353.30-154,089.02

Finding the Fourth Proportional to 176,789.48, 243,353.30 and 154,089.02

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Solution

The fourth proportional to 176,789.48, 243,353.30 and 154,089.02 is: 212,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,789.48 : 243,353.30 = 154,089.02 : x
  2. Step 2: Convert to fraction form
    176,789.48/243,353.30 = 154,089.02/x
  3. Step 3: Cross multiply
    176,789.48x = 243,353.30 × 154,089.02
  4. Step 4: Simplify right side
    176,789.48x = 37,498,071,348.70
  5. Step 5: Solve for x
    x = 37,498,071,348.70/176,789.48
  6. Step 6: Final answer
    x = 212,105.79

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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.