Home / 162,579.96-243,554.31-119,807.69

Finding the Fourth Proportional to 162,579.96, 243,554.31 and 119,807.69

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Solution

The fourth proportional to 162,579.96, 243,554.31 and 119,807.69 is: 179,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,579.96 : 243,554.31 = 119,807.69 : x
  2. Step 2: Convert to fraction form
    162,579.96/243,554.31 = 119,807.69/x
  3. Step 3: Cross multiply
    162,579.96x = 243,554.31 × 119,807.69
  4. Step 4: Simplify right side
    162,579.96x = 29,179,678,052.87
  5. Step 5: Solve for x
    x = 29,179,678,052.87/162,579.96
  6. Step 6: Final answer
    x = 179,478.93

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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.