Home / 156,958.70-235,438.05-144,977.90

Finding the Fourth Proportional to 156,958.70, 235,438.05 and 144,977.90

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Solution

The fourth proportional to 156,958.70, 235,438.05 and 144,977.90 is: 217,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,958.70 : 235,438.05 = 144,977.90 : x
  2. Step 2: Convert to fraction form
    156,958.70/235,438.05 = 144,977.90/x
  3. Step 3: Cross multiply
    156,958.70x = 235,438.05 × 144,977.90
  4. Step 4: Simplify right side
    156,958.70x = 34,133,314,069.10
  5. Step 5: Solve for x
    x = 34,133,314,069.10/156,958.70
  6. Step 6: Final answer
    x = 217,466.85

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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.