Home / 493,051.81-739,688.55-156,112.60

Finding the Fourth Proportional to 493,051.81, 739,688.55 and 156,112.60

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Solution

The fourth proportional to 493,051.81, 739,688.55 and 156,112.60 is: 234,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,051.81 : 739,688.55 = 156,112.60 : x
  2. Step 2: Convert to fraction form
    493,051.81/739,688.55 = 156,112.60/x
  3. Step 3: Cross multiply
    493,051.81x = 739,688.55 × 156,112.60
  4. Step 4: Simplify right side
    493,051.81x = 115,474,702,730.73
  5. Step 5: Solve for x
    x = 115,474,702,730.73/493,051.81
  6. Step 6: Final answer
    x = 234,203.99

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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.