Home / 146,842.20-219,680.10-127,337.40

Finding the Fourth Proportional to 146,842.20, 219,680.10 and 127,337.40

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Solution

The fourth proportional to 146,842.20, 219,680.10 and 127,337.40 is: 190,500.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,842.20 : 219,680.10 = 127,337.40 : x
  2. Step 2: Convert to fraction form
    146,842.20/219,680.10 = 127,337.40/x
  3. Step 3: Cross multiply
    146,842.20x = 219,680.10 × 127,337.40
  4. Step 4: Simplify right side
    146,842.20x = 27,973,492,765.74
  5. Step 5: Solve for x
    x = 27,973,492,765.74/146,842.20
  6. Step 6: Final answer
    x = 190,500.37

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1.5x scale

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.