Home / 454,626.20-681,647.70-188,492.60

Finding the Fourth Proportional to 454,626.20, 681,647.70 and 188,492.60

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Solution

The fourth proportional to 454,626.20, 681,647.70 and 188,492.60 is: 282,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,626.20 : 681,647.70 = 188,492.60 : x
  2. Step 2: Convert to fraction form
    454,626.20/681,647.70 = 188,492.60/x
  3. Step 3: Cross multiply
    454,626.20x = 681,647.70 × 188,492.60
  4. Step 4: Simplify right side
    454,626.20x = 128,485,547,257.02
  5. Step 5: Solve for x
    x = 128,485,547,257.02/454,626.20
  6. Step 6: Final answer
    x = 282,618.00

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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.