Home / 165,056.10-247,584.15-76,482.60

Finding the Fourth Proportional to 165,056.10, 247,584.15 and 76,482.60

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Solution

The fourth proportional to 165,056.10, 247,584.15 and 76,482.60 is: 114,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,056.10 : 247,584.15 = 76,482.60 : x
  2. Step 2: Convert to fraction form
    165,056.10/247,584.15 = 76,482.60/x
  3. Step 3: Cross multiply
    165,056.10x = 247,584.15 × 76,482.60
  4. Step 4: Simplify right side
    165,056.10x = 18,935,879,510.79
  5. Step 5: Solve for x
    x = 18,935,879,510.79/165,056.10
  6. Step 6: Final answer
    x = 114,723.90

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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.