Home / 219,821.60-329,732.40-193,577.60

Finding the Fourth Proportional to 219,821.60, 329,732.40 and 193,577.60

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Solution

The fourth proportional to 219,821.60, 329,732.40 and 193,577.60 is: 290,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,821.60 : 329,732.40 = 193,577.60 : x
  2. Step 2: Convert to fraction form
    219,821.60/329,732.40 = 193,577.60/x
  3. Step 3: Cross multiply
    219,821.60x = 329,732.40 × 193,577.60
  4. Step 4: Simplify right side
    219,821.60x = 63,828,806,634.24
  5. Step 5: Solve for x
    x = 63,828,806,634.24/219,821.60
  6. Step 6: Final answer
    x = 290,366.40

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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.