Home / 173,098.13-238,846.55-115,645.34

Finding the Fourth Proportional to 173,098.13, 238,846.55 and 115,645.34

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Solution

The fourth proportional to 173,098.13, 238,846.55 and 115,645.34 is: 159,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,098.13 : 238,846.55 = 115,645.34 : x
  2. Step 2: Convert to fraction form
    173,098.13/238,846.55 = 115,645.34/x
  3. Step 3: Cross multiply
    173,098.13x = 238,846.55 × 115,645.34
  4. Step 4: Simplify right side
    173,098.13x = 27,621,489,577.46
  5. Step 5: Solve for x
    x = 27,621,489,577.46/173,098.13
  6. Step 6: Final answer
    x = 159,571.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.