Home / 172,598.38-238,063.04-115,208.75

Finding the Fourth Proportional to 172,598.38, 238,063.04 and 115,208.75

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Solution

The fourth proportional to 172,598.38, 238,063.04 and 115,208.75 is: 158,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,598.38 : 238,063.04 = 115,208.75 : x
  2. Step 2: Convert to fraction form
    172,598.38/238,063.04 = 115,208.75/x
  3. Step 3: Cross multiply
    172,598.38x = 238,063.04 × 115,208.75
  4. Step 4: Simplify right side
    172,598.38x = 27,426,945,259.60
  5. Step 5: Solve for x
    x = 27,426,945,259.60/172,598.38
  6. Step 6: Final answer
    x = 158,906.16

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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.