Home / 152,811.62-229,217.52-52,971.84

Finding the Fourth Proportional to 152,811.62, 229,217.52 and 52,971.84

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Solution

The fourth proportional to 152,811.62, 229,217.52 and 52,971.84 is: 79,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,811.62 : 229,217.52 = 52,971.84 : x
  2. Step 2: Convert to fraction form
    152,811.62/229,217.52 = 52,971.84/x
  3. Step 3: Cross multiply
    152,811.62x = 229,217.52 × 52,971.84
  4. Step 4: Simplify right side
    152,811.62x = 12,142,073,794.64
  5. Step 5: Solve for x
    x = 12,142,073,794.64/152,811.62
  6. Step 6: Final answer
    x = 79,457.79

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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.