Home / 162,775.20-244,235.70-57,669.60

Finding the Fourth Proportional to 162,775.20, 244,235.70 and 57,669.60

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Solution

The fourth proportional to 162,775.20, 244,235.70 and 57,669.60 is: 86,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,775.20 : 244,235.70 = 57,669.60 : x
  2. Step 2: Convert to fraction form
    162,775.20/244,235.70 = 57,669.60/x
  3. Step 3: Cross multiply
    162,775.20x = 244,235.70 × 57,669.60
  4. Step 4: Simplify right side
    162,775.20x = 14,084,975,124.72
  5. Step 5: Solve for x
    x = 14,084,975,124.72/162,775.20
  6. Step 6: Final answer
    x = 86,530.23

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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.