Home / 156,761.84-235,074.64-56,888.80

Finding the Fourth Proportional to 156,761.84, 235,074.64 and 56,888.80

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Solution

The fourth proportional to 156,761.84, 235,074.64 and 56,888.80 is: 85,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,761.84 : 235,074.64 = 56,888.80 : x
  2. Step 2: Convert to fraction form
    156,761.84/235,074.64 = 56,888.80/x
  3. Step 3: Cross multiply
    156,761.84x = 235,074.64 × 56,888.80
  4. Step 4: Simplify right side
    156,761.84x = 13,373,114,180.03
  5. Step 5: Solve for x
    x = 13,373,114,180.03/156,761.84
  6. Step 6: Final answer
    x = 85,308.48

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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.