Home / 250,592.28-345,816.90-137,422.32

Finding the Fourth Proportional to 250,592.28, 345,816.90 and 137,422.32

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Solution

The fourth proportional to 250,592.28, 345,816.90 and 137,422.32 is: 189,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,592.28 : 345,816.90 = 137,422.32 : x
  2. Step 2: Convert to fraction form
    250,592.28/345,816.90 = 137,422.32/x
  3. Step 3: Cross multiply
    250,592.28x = 345,816.90 × 137,422.32
  4. Step 4: Simplify right side
    250,592.28x = 47,522,960,693.21
  5. Step 5: Solve for x
    x = 47,522,960,693.21/250,592.28
  6. Step 6: Final answer
    x = 189,642.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.