Home / 454,500.30-681,750.45-154,954.20

Finding the Fourth Proportional to 454,500.30, 681,750.45 and 154,954.20

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Solution

The fourth proportional to 454,500.30, 681,750.45 and 154,954.20 is: 232,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,500.30 : 681,750.45 = 154,954.20 : x
  2. Step 2: Convert to fraction form
    454,500.30/681,750.45 = 154,954.20/x
  3. Step 3: Cross multiply
    454,500.30x = 681,750.45 × 154,954.20
  4. Step 4: Simplify right side
    454,500.30x = 105,640,095,579.39
  5. Step 5: Solve for x
    x = 105,640,095,579.39/454,500.30
  6. Step 6: Final answer
    x = 232,431.30

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Similar ratio
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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.