Home / 156,931.96-234,966.60-109,594.36

Finding the Fourth Proportional to 156,931.96, 234,966.60 and 109,594.36

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Solution

The fourth proportional to 156,931.96, 234,966.60 and 109,594.36 is: 164,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.96 : 234,966.60 = 109,594.36 : x
  2. Step 2: Convert to fraction form
    156,931.96/234,966.60 = 109,594.36/x
  3. Step 3: Cross multiply
    156,931.96x = 234,966.60 × 109,594.36
  4. Step 4: Simplify right side
    156,931.96x = 25,751,014,148.38
  5. Step 5: Solve for x
    x = 25,751,014,148.38/156,931.96
  6. Step 6: Final answer
    x = 164,090.31

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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.