Home / 172,115.45-237,451.26-99,504.96

Finding the Fourth Proportional to 172,115.45, 237,451.26 and 99,504.96

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Solution

The fourth proportional to 172,115.45, 237,451.26 and 99,504.96 is: 137,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,115.45 : 237,451.26 = 99,504.96 : x
  2. Step 2: Convert to fraction form
    172,115.45/237,451.26 = 99,504.96/x
  3. Step 3: Cross multiply
    172,115.45x = 237,451.26 × 99,504.96
  4. Step 4: Simplify right side
    172,115.45x = 23,627,578,128.25
  5. Step 5: Solve for x
    x = 23,627,578,128.25/172,115.45
  6. Step 6: Final answer
    x = 137,277.50

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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.