Home / 172,189.58-237,842.07-131,657.18

Finding the Fourth Proportional to 172,189.58, 237,842.07 and 131,657.18

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Solution

The fourth proportional to 172,189.58, 237,842.07 and 131,657.18 is: 181,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,189.58 : 237,842.07 = 131,657.18 : x
  2. Step 2: Convert to fraction form
    172,189.58/237,842.07 = 131,657.18/x
  3. Step 3: Cross multiply
    172,189.58x = 237,842.07 × 131,657.18
  4. Step 4: Simplify right side
    172,189.58x = 31,313,616,221.56
  5. Step 5: Solve for x
    x = 31,313,616,221.56/172,189.58
  6. Step 6: Final answer
    x = 181,855.47

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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.