Home / 174,680.65-261,834.15-90,355.96

Finding the Fourth Proportional to 174,680.65, 261,834.15 and 90,355.96

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Solution

The fourth proportional to 174,680.65, 261,834.15 and 90,355.96 is: 135,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,680.65 : 261,834.15 = 90,355.96 : x
  2. Step 2: Convert to fraction form
    174,680.65/261,834.15 = 90,355.96/x
  3. Step 3: Cross multiply
    174,680.65x = 261,834.15 × 90,355.96
  4. Step 4: Simplify right side
    174,680.65x = 23,658,275,984.03
  5. Step 5: Solve for x
    x = 23,658,275,984.03/174,680.65
  6. Step 6: Final answer
    x = 135,437.30

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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.