Home / 156,905.90-235,358.85-57,069.35

Finding the Fourth Proportional to 156,905.90, 235,358.85 and 57,069.35

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Solution

The fourth proportional to 156,905.90, 235,358.85 and 57,069.35 is: 85,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.90 : 235,358.85 = 57,069.35 : x
  2. Step 2: Convert to fraction form
    156,905.90/235,358.85 = 57,069.35/x
  3. Step 3: Cross multiply
    156,905.90x = 235,358.85 × 57,069.35
  4. Step 4: Simplify right side
    156,905.90x = 13,431,776,586.25
  5. Step 5: Solve for x
    x = 13,431,776,586.25/156,905.90
  6. Step 6: Final answer
    x = 85,604.03

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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.