Home / 219,721.60-329,582.40-163,734.40

Finding the Fourth Proportional to 219,721.60, 329,582.40 and 163,734.40

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Solution

The fourth proportional to 219,721.60, 329,582.40 and 163,734.40 is: 245,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,721.60 : 329,582.40 = 163,734.40 : x
  2. Step 2: Convert to fraction form
    219,721.60/329,582.40 = 163,734.40/x
  3. Step 3: Cross multiply
    219,721.60x = 329,582.40 × 163,734.40
  4. Step 4: Simplify right side
    219,721.60x = 53,963,976,514.56
  5. Step 5: Solve for x
    x = 53,963,976,514.56/219,721.60
  6. Step 6: Final answer
    x = 245,601.60

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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.