Home / 115,930.20-173,895.30-103,464.30

Finding the Fourth Proportional to 115,930.20, 173,895.30 and 103,464.30

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Solution

The fourth proportional to 115,930.20, 173,895.30 and 103,464.30 is: 155,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,930.20 : 173,895.30 = 103,464.30 : x
  2. Step 2: Convert to fraction form
    115,930.20/173,895.30 = 103,464.30/x
  3. Step 3: Cross multiply
    115,930.20x = 173,895.30 × 103,464.30
  4. Step 4: Simplify right side
    115,930.20x = 17,991,955,487.79
  5. Step 5: Solve for x
    x = 17,991,955,487.79/115,930.20
  6. Step 6: Final answer
    x = 155,196.45

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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.