Home / 165,423.40-248,135.10-148,834.60

Finding the Fourth Proportional to 165,423.40, 248,135.10 and 148,834.60

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Solution

The fourth proportional to 165,423.40, 248,135.10 and 148,834.60 is: 223,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,423.40 : 248,135.10 = 148,834.60 : x
  2. Step 2: Convert to fraction form
    165,423.40/248,135.10 = 148,834.60/x
  3. Step 3: Cross multiply
    165,423.40x = 248,135.10 × 148,834.60
  4. Step 4: Simplify right side
    165,423.40x = 36,931,088,354.46
  5. Step 5: Solve for x
    x = 36,931,088,354.46/165,423.40
  6. Step 6: Final answer
    x = 223,251.90

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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.