Home / 159,339.18-239,156.46-80,508.81

Finding the Fourth Proportional to 159,339.18, 239,156.46 and 80,508.81

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Solution

The fourth proportional to 159,339.18, 239,156.46 and 80,508.81 is: 120,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,339.18 : 239,156.46 = 80,508.81 : x
  2. Step 2: Convert to fraction form
    159,339.18/239,156.46 = 80,508.81/x
  3. Step 3: Cross multiply
    159,339.18x = 239,156.46 × 80,508.81
  4. Step 4: Simplify right side
    159,339.18x = 19,254,201,998.41
  5. Step 5: Solve for x
    x = 19,254,201,998.41/159,339.18
  6. Step 6: Final answer
    x = 120,837.84

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1.5x scale

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.