Home / 159,741.60-239,612.40-48,933.60

Finding the Fourth Proportional to 159,741.60, 239,612.40 and 48,933.60

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Solution

The fourth proportional to 159,741.60, 239,612.40 and 48,933.60 is: 73,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,741.60 : 239,612.40 = 48,933.60 : x
  2. Step 2: Convert to fraction form
    159,741.60/239,612.40 = 48,933.60/x
  3. Step 3: Cross multiply
    159,741.60x = 239,612.40 × 48,933.60
  4. Step 4: Simplify right side
    159,741.60x = 11,725,097,336.64
  5. Step 5: Solve for x
    x = 11,725,097,336.64/159,741.60
  6. Step 6: Final answer
    x = 73,400.40

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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.