Home / 115,104.33-172,681.20-65,208.33

Finding the Fourth Proportional to 115,104.33, 172,681.20 and 65,208.33

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Solution

The fourth proportional to 115,104.33, 172,681.20 and 65,208.33 is: 97,826.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,104.33 : 172,681.20 = 65,208.33 : x
  2. Step 2: Convert to fraction form
    115,104.33/172,681.20 = 65,208.33/x
  3. Step 3: Cross multiply
    115,104.33x = 172,681.20 × 65,208.33
  4. Step 4: Simplify right side
    115,104.33x = 11,260,252,674.40
  5. Step 5: Solve for x
    x = 11,260,252,674.40/115,104.33
  6. Step 6: Final answer
    x = 97,826.49

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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.