Home / 156,881.40-235,176.30-109,496.40

Finding the Fourth Proportional to 156,881.40, 235,176.30 and 109,496.40

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Solution

The fourth proportional to 156,881.40, 235,176.30 and 109,496.40 is: 164,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,881.40 : 235,176.30 = 109,496.40 : x
  2. Step 2: Convert to fraction form
    156,881.40/235,176.30 = 109,496.40/x
  3. Step 3: Cross multiply
    156,881.40x = 235,176.30 × 109,496.40
  4. Step 4: Simplify right side
    156,881.40x = 25,750,958,215.32
  5. Step 5: Solve for x
    x = 25,750,958,215.32/156,881.40
  6. Step 6: Final answer
    x = 164,142.84

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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.