Home / 156,736.40-235,126.20-56,872.40

Finding the Fourth Proportional to 156,736.40, 235,126.20 and 56,872.40

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Solution

The fourth proportional to 156,736.40, 235,126.20 and 56,872.40 is: 85,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.40 : 235,126.20 = 56,872.40 : x
  2. Step 2: Convert to fraction form
    156,736.40/235,126.20 = 56,872.40/x
  3. Step 3: Cross multiply
    156,736.40x = 235,126.20 × 56,872.40
  4. Step 4: Simplify right side
    156,736.40x = 13,372,191,296.88
  5. Step 5: Solve for x
    x = 13,372,191,296.88/156,736.40
  6. Step 6: Final answer
    x = 85,316.44

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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.