Home / 159,445.22-239,003.76-70,740.50

Finding the Fourth Proportional to 159,445.22, 239,003.76 and 70,740.50

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Solution

The fourth proportional to 159,445.22, 239,003.76 and 70,740.50 is: 106,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445.22 : 239,003.76 = 70,740.50 : x
  2. Step 2: Convert to fraction form
    159,445.22/239,003.76 = 70,740.50/x
  3. Step 3: Cross multiply
    159,445.22x = 239,003.76 × 70,740.50
  4. Step 4: Simplify right side
    159,445.22x = 16,907,245,484.28
  5. Step 5: Solve for x
    x = 16,907,245,484.28/159,445.22
  6. Step 6: Final answer
    x = 106,037.96

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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.