Home / 172,125.32-237,600.66-108,451.28

Finding the Fourth Proportional to 172,125.32, 237,600.66 and 108,451.28

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Solution

The fourth proportional to 172,125.32, 237,600.66 and 108,451.28 is: 149,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,125.32 : 237,600.66 = 108,451.28 : x
  2. Step 2: Convert to fraction form
    172,125.32/237,600.66 = 108,451.28/x
  3. Step 3: Cross multiply
    172,125.32x = 237,600.66 × 108,451.28
  4. Step 4: Simplify right side
    172,125.32x = 25,768,095,705.84
  5. Step 5: Solve for x
    x = 25,768,095,705.84/172,125.32
  6. Step 6: Final answer
    x = 149,705.43

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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.