Home / 159,405.30-239,147.13-47,084.93

Finding the Fourth Proportional to 159,405.30, 239,147.13 and 47,084.93

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Solution

The fourth proportional to 159,405.30, 239,147.13 and 47,084.93 is: 70,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,405.30 : 239,147.13 = 47,084.93 : x
  2. Step 2: Convert to fraction form
    159,405.30/239,147.13 = 47,084.93/x
  3. Step 3: Cross multiply
    159,405.30x = 239,147.13 × 47,084.93
  4. Step 4: Simplify right side
    159,405.30x = 11,260,225,753.39
  5. Step 5: Solve for x
    x = 11,260,225,753.39/159,405.30
  6. Step 6: Final answer
    x = 70,638.97

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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.