Home / 145,591.53-218,439.83-50,835.67

Finding the Fourth Proportional to 145,591.53, 218,439.83 and 50,835.67

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Solution

The fourth proportional to 145,591.53, 218,439.83 and 50,835.67 is: 76,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,591.53 : 218,439.83 = 50,835.67 : x
  2. Step 2: Convert to fraction form
    145,591.53/218,439.83 = 50,835.67/x
  3. Step 3: Cross multiply
    145,591.53x = 218,439.83 × 50,835.67
  4. Step 4: Simplify right side
    145,591.53x = 11,104,534,693.73
  5. Step 5: Solve for x
    x = 11,104,534,693.73/145,591.53
  6. Step 6: Final answer
    x = 76,271.85

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1.5x scale

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.