Home / 159,730.29-239,570.03-53,105.38

Finding the Fourth Proportional to 159,730.29, 239,570.03 and 53,105.38

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Solution

The fourth proportional to 159,730.29, 239,570.03 and 53,105.38 is: 79,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,730.29 : 239,570.03 = 53,105.38 : x
  2. Step 2: Convert to fraction form
    159,730.29/239,570.03 = 53,105.38/x
  3. Step 3: Cross multiply
    159,730.29x = 239,570.03 × 53,105.38
  4. Step 4: Simplify right side
    159,730.29x = 12,722,457,214.23
  5. Step 5: Solve for x
    x = 12,722,457,214.23/159,730.29
  6. Step 6: Final answer
    x = 79,649.62

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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.