Home / 325,281.42-488,069.55-192,421.17

Finding the Fourth Proportional to 325,281.42, 488,069.55 and 192,421.17

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Solution

The fourth proportional to 325,281.42, 488,069.55 and 192,421.17 is: 288,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,281.42 : 488,069.55 = 192,421.17 : x
  2. Step 2: Convert to fraction form
    325,281.42/488,069.55 = 192,421.17/x
  3. Step 3: Cross multiply
    325,281.42x = 488,069.55 × 192,421.17
  4. Step 4: Simplify right side
    325,281.42x = 93,914,913,852.37
  5. Step 5: Solve for x
    x = 93,914,913,852.37/325,281.42
  6. Step 6: Final answer
    x = 288,718.96

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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.