Home / 165,381.90-248,072.85-148,793.10

Finding the Fourth Proportional to 165,381.90, 248,072.85 and 148,793.10

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Solution

The fourth proportional to 165,381.90, 248,072.85 and 148,793.10 is: 223,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,381.90 : 248,072.85 = 148,793.10 : x
  2. Step 2: Convert to fraction form
    165,381.90/248,072.85 = 148,793.10/x
  3. Step 3: Cross multiply
    165,381.90x = 248,072.85 × 148,793.10
  4. Step 4: Simplify right side
    165,381.90x = 36,911,528,377.34
  5. Step 5: Solve for x
    x = 36,911,528,377.34/165,381.90
  6. Step 6: Final answer
    x = 223,189.65

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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.