Home / 145,590.56-218,438.39-50,834.70

Finding the Fourth Proportional to 145,590.56, 218,438.39 and 50,834.70

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Solution

The fourth proportional to 145,590.56, 218,438.39 and 50,834.70 is: 76,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,590.56 : 218,438.39 = 50,834.70 : x
  2. Step 2: Convert to fraction form
    145,590.56/218,438.39 = 50,834.70/x
  3. Step 3: Cross multiply
    145,590.56x = 218,438.39 × 50,834.70
  4. Step 4: Simplify right side
    145,590.56x = 11,104,250,779.73
  5. Step 5: Solve for x
    x = 11,104,250,779.73/145,590.56
  6. Step 6: Final answer
    x = 76,270.40

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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.