Home / 152,883.86-229,317.68-47,690.78

Finding the Fourth Proportional to 152,883.86, 229,317.68 and 47,690.78

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Solution

The fourth proportional to 152,883.86, 229,317.68 and 47,690.78 is: 71,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,883.86 : 229,317.68 = 47,690.78 : x
  2. Step 2: Convert to fraction form
    152,883.86/229,317.68 = 47,690.78/x
  3. Step 3: Cross multiply
    152,883.86x = 229,317.68 × 47,690.78
  4. Step 4: Simplify right side
    152,883.86x = 10,936,337,999.63
  5. Step 5: Solve for x
    x = 10,936,337,999.63/152,883.86
  6. Step 6: Final answer
    x = 71,533.64

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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.