Home / 175,817.28-263,867.64-91,603.20

Finding the Fourth Proportional to 175,817.28, 263,867.64 and 91,603.20

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Solution

The fourth proportional to 175,817.28, 263,867.64 and 91,603.20 is: 137,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,817.28 : 263,867.64 = 91,603.20 : x
  2. Step 2: Convert to fraction form
    175,817.28/263,867.64 = 91,603.20/x
  3. Step 3: Cross multiply
    175,817.28x = 263,867.64 × 91,603.20
  4. Step 4: Simplify right side
    175,817.28x = 24,171,120,200.45
  5. Step 5: Solve for x
    x = 24,171,120,200.45/175,817.28
  6. Step 6: Final answer
    x = 137,478.64

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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.