Home / 173,435.90-260,148.33-78,596.64

Finding the Fourth Proportional to 173,435.90, 260,148.33 and 78,596.64

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Solution

The fourth proportional to 173,435.90, 260,148.33 and 78,596.64 is: 117,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,435.90 : 260,148.33 = 78,596.64 : x
  2. Step 2: Convert to fraction form
    173,435.90/260,148.33 = 78,596.64/x
  3. Step 3: Cross multiply
    173,435.90x = 260,148.33 × 78,596.64
  4. Step 4: Simplify right side
    173,435.90x = 20,446,784,639.61
  5. Step 5: Solve for x
    x = 20,446,784,639.61/173,435.90
  6. Step 6: Final answer
    x = 117,892.46

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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.