Home / 270,724.07-406,004.06-112,915.62

Finding the Fourth Proportional to 270,724.07, 406,004.06 and 112,915.62

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Solution

The fourth proportional to 270,724.07, 406,004.06 and 112,915.62 is: 169,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,724.07 : 406,004.06 = 112,915.62 : x
  2. Step 2: Convert to fraction form
    270,724.07/406,004.06 = 112,915.62/x
  3. Step 3: Cross multiply
    270,724.07x = 406,004.06 × 112,915.62
  4. Step 4: Simplify right side
    270,724.07x = 45,844,200,439.71
  5. Step 5: Solve for x
    x = 45,844,200,439.71/270,724.07
  6. Step 6: Final answer
    x = 169,339.21

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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.