Home / 146,221.40-219,332.10-98,982.20

Finding the Fourth Proportional to 146,221.40, 219,332.10 and 98,982.20

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Solution

The fourth proportional to 146,221.40, 219,332.10 and 98,982.20 is: 148,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,221.40 : 219,332.10 = 98,982.20 : x
  2. Step 2: Convert to fraction form
    146,221.40/219,332.10 = 98,982.20/x
  3. Step 3: Cross multiply
    146,221.40x = 219,332.10 × 98,982.20
  4. Step 4: Simplify right side
    146,221.40x = 21,709,973,788.62
  5. Step 5: Solve for x
    x = 21,709,973,788.62/146,221.40
  6. Step 6: Final answer
    x = 148,473.30

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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.