Home / 193,539.70-289,981.96-118,503.16

Finding the Fourth Proportional to 193,539.70, 289,981.96 and 118,503.16

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Solution

The fourth proportional to 193,539.70, 289,981.96 and 118,503.16 is: 177,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,539.70 : 289,981.96 = 118,503.16 : x
  2. Step 2: Convert to fraction form
    193,539.70/289,981.96 = 118,503.16/x
  3. Step 3: Cross multiply
    193,539.70x = 289,981.96 × 118,503.16
  4. Step 4: Simplify right side
    193,539.70x = 34,363,780,120.65
  5. Step 5: Solve for x
    x = 34,363,780,120.65/193,539.70
  6. Step 6: Final answer
    x = 177,554.16

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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.