Home / 115,556.03-173,215.12-56,318.40

Finding the Fourth Proportional to 115,556.03, 173,215.12 and 56,318.40

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Solution

The fourth proportional to 115,556.03, 173,215.12 and 56,318.40 is: 84,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,556.03 : 173,215.12 = 56,318.40 : x
  2. Step 2: Convert to fraction form
    115,556.03/173,215.12 = 56,318.40/x
  3. Step 3: Cross multiply
    115,556.03x = 173,215.12 × 56,318.40
  4. Step 4: Simplify right side
    115,556.03x = 9,755,198,414.21
  5. Step 5: Solve for x
    x = 9,755,198,414.21/115,556.03
  6. Step 6: Final answer
    x = 84,419.64

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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.