Home / 156,579.58-234,868.71-56,716.40

Finding the Fourth Proportional to 156,579.58, 234,868.71 and 56,716.40

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Solution

The fourth proportional to 156,579.58, 234,868.71 and 56,716.40 is: 85,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,579.58 : 234,868.71 = 56,716.40 : x
  2. Step 2: Convert to fraction form
    156,579.58/234,868.71 = 56,716.40/x
  3. Step 3: Cross multiply
    156,579.58x = 234,868.71 × 56,716.40
  4. Step 4: Simplify right side
    156,579.58x = 13,320,908,503.70
  5. Step 5: Solve for x
    x = 13,320,908,503.70/156,579.58
  6. Step 6: Final answer
    x = 85,074.37

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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.