Home / 159,834.06-239,673.33-84,990.06

Finding the Fourth Proportional to 159,834.06, 239,673.33 and 84,990.06

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Solution

The fourth proportional to 159,834.06, 239,673.33 and 84,990.06 is: 127,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,834.06 : 239,673.33 = 84,990.06 : x
  2. Step 2: Convert to fraction form
    159,834.06/239,673.33 = 84,990.06/x
  3. Step 3: Cross multiply
    159,834.06x = 239,673.33 × 84,990.06
  4. Step 4: Simplify right side
    159,834.06x = 20,369,850,697.10
  5. Step 5: Solve for x
    x = 20,369,850,697.10/159,834.06
  6. Step 6: Final answer
    x = 127,443.74

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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.