Home / 159,483.72-239,247.45-47,172.77

Finding the Fourth Proportional to 159,483.72, 239,247.45 and 47,172.77

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Solution

The fourth proportional to 159,483.72, 239,247.45 and 47,172.77 is: 70,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,483.72 : 239,247.45 = 47,172.77 : x
  2. Step 2: Convert to fraction form
    159,483.72/239,247.45 = 47,172.77/x
  3. Step 3: Cross multiply
    159,483.72x = 239,247.45 × 47,172.77
  4. Step 4: Simplify right side
    159,483.72x = 11,285,964,931.94
  5. Step 5: Solve for x
    x = 11,285,964,931.94/159,483.72
  6. Step 6: Final answer
    x = 70,765.62

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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.