Home / 260,496.04-390,772.56-82,961.32

Finding the Fourth Proportional to 260,496.04, 390,772.56 and 82,961.32

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Solution

The fourth proportional to 260,496.04, 390,772.56 and 82,961.32 is: 124,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,496.04 : 390,772.56 = 82,961.32 : x
  2. Step 2: Convert to fraction form
    260,496.04/390,772.56 = 82,961.32/x
  3. Step 3: Cross multiply
    260,496.04x = 390,772.56 × 82,961.32
  4. Step 4: Simplify right side
    260,496.04x = 32,419,007,397.38
  5. Step 5: Solve for x
    x = 32,419,007,397.38/260,496.04
  6. Step 6: Final answer
    x = 124,451.06

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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.