Home / 173,727.65-260,397.84-78,815.50

Finding the Fourth Proportional to 173,727.65, 260,397.84 and 78,815.50

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Solution

The fourth proportional to 173,727.65, 260,397.84 and 78,815.50 is: 118,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,727.65 : 260,397.84 = 78,815.50 : x
  2. Step 2: Convert to fraction form
    173,727.65/260,397.84 = 78,815.50/x
  3. Step 3: Cross multiply
    173,727.65x = 260,397.84 × 78,815.50
  4. Step 4: Simplify right side
    173,727.65x = 20,523,385,159.75
  5. Step 5: Solve for x
    x = 20,523,385,159.75/173,727.65
  6. Step 6: Final answer
    x = 118,135.40

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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.