Home / 156,936.90-235,405.35-137,253.90

Finding the Fourth Proportional to 156,936.90, 235,405.35 and 137,253.90

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Solution

The fourth proportional to 156,936.90, 235,405.35 and 137,253.90 is: 205,880.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,936.90 : 235,405.35 = 137,253.90 : x
  2. Step 2: Convert to fraction form
    156,936.90/235,405.35 = 137,253.90/x
  3. Step 3: Cross multiply
    156,936.90x = 235,405.35 × 137,253.90
  4. Step 4: Simplify right side
    156,936.90x = 32,310,302,368.37
  5. Step 5: Solve for x
    x = 32,310,302,368.37/156,936.90
  6. Step 6: Final answer
    x = 205,880.85

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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.