Home / 156,784.30-235,108.41-56,911.30

Finding the Fourth Proportional to 156,784.30, 235,108.41 and 56,911.30

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Solution

The fourth proportional to 156,784.30, 235,108.41 and 56,911.30 is: 85,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,784.30 : 235,108.41 = 56,911.30 : x
  2. Step 2: Convert to fraction form
    156,784.30/235,108.41 = 56,911.30/x
  3. Step 3: Cross multiply
    156,784.30x = 235,108.41 × 56,911.30
  4. Step 4: Simplify right side
    156,784.30x = 13,380,325,254.03
  5. Step 5: Solve for x
    x = 13,380,325,254.03/156,784.30
  6. Step 6: Final answer
    x = 85,342.25

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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.