Home / 204,445.68-306,670.04-71,325.40

Finding the Fourth Proportional to 204,445.68, 306,670.04 and 71,325.40

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Solution

The fourth proportional to 204,445.68, 306,670.04 and 71,325.40 is: 106,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,445.68 : 306,670.04 = 71,325.40 : x
  2. Step 2: Convert to fraction form
    204,445.68/306,670.04 = 71,325.40/x
  3. Step 3: Cross multiply
    204,445.68x = 306,670.04 × 71,325.40
  4. Step 4: Simplify right side
    204,445.68x = 21,873,363,271.02
  5. Step 5: Solve for x
    x = 21,873,363,271.02/204,445.68
  6. Step 6: Final answer
    x = 106,988.63

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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.