Home / 156,947.20-235,346.60-57,037.76

Finding the Fourth Proportional to 156,947.20, 235,346.60 and 57,037.76

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Solution

The fourth proportional to 156,947.20, 235,346.60 and 57,037.76 is: 85,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,947.20 : 235,346.60 = 57,037.76 : x
  2. Step 2: Convert to fraction form
    156,947.20/235,346.60 = 57,037.76/x
  3. Step 3: Cross multiply
    156,947.20x = 235,346.60 × 57,037.76
  4. Step 4: Simplify right side
    156,947.20x = 13,423,642,887.62
  5. Step 5: Solve for x
    x = 13,423,642,887.62/156,947.20
  6. Step 6: Final answer
    x = 85,529.67

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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.