Home / 156,910.90-235,292.42-57,000.64

Finding the Fourth Proportional to 156,910.90, 235,292.42 and 57,000.64

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Solution

The fourth proportional to 156,910.90, 235,292.42 and 57,000.64 is: 85,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.90 : 235,292.42 = 57,000.64 : x
  2. Step 2: Convert to fraction form
    156,910.90/235,292.42 = 57,000.64/x
  3. Step 3: Cross multiply
    156,910.90x = 235,292.42 × 57,000.64
  4. Step 4: Simplify right side
    156,910.90x = 13,411,818,527.15
  5. Step 5: Solve for x
    x = 13,411,818,527.15/156,910.90
  6. Step 6: Final answer
    x = 85,474.10

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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.