Home / 123,389.28-185,157.60-113,350.92

Finding the Fourth Proportional to 123,389.28, 185,157.60 and 113,350.92

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Solution

The fourth proportional to 123,389.28, 185,157.60 and 113,350.92 is: 170,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,389.28 : 185,157.60 = 113,350.92 : x
  2. Step 2: Convert to fraction form
    123,389.28/185,157.60 = 113,350.92/x
  3. Step 3: Cross multiply
    123,389.28x = 185,157.60 × 113,350.92
  4. Step 4: Simplify right side
    123,389.28x = 20,987,784,304.99
  5. Step 5: Solve for x
    x = 20,987,784,304.99/123,389.28
  6. Step 6: Final answer
    x = 170,094.07

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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.