Home / 146,770.20-219,572.10-127,265.40

Finding the Fourth Proportional to 146,770.20, 219,572.10 and 127,265.40

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Solution

The fourth proportional to 146,770.20, 219,572.10 and 127,265.40 is: 190,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,770.20 : 219,572.10 = 127,265.40 : x
  2. Step 2: Convert to fraction form
    146,770.20/219,572.10 = 127,265.40/x
  3. Step 3: Cross multiply
    146,770.20x = 219,572.10 × 127,265.40
  4. Step 4: Simplify right side
    146,770.20x = 27,943,931,135.34
  5. Step 5: Solve for x
    x = 27,943,931,135.34/146,770.20
  6. Step 6: Final answer
    x = 190,392.40

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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.