Home / 172,189.08-237,841.38-131,656.68

Finding the Fourth Proportional to 172,189.08, 237,841.38 and 131,656.68

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Solution

The fourth proportional to 172,189.08, 237,841.38 and 131,656.68 is: 181,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,189.08 : 237,841.38 = 131,656.68 : x
  2. Step 2: Convert to fraction form
    172,189.08/237,841.38 = 131,656.68/x
  3. Step 3: Cross multiply
    172,189.08x = 237,841.38 × 131,656.68
  4. Step 4: Simplify right side
    172,189.08x = 31,313,406,457.42
  5. Step 5: Solve for x
    x = 31,313,406,457.42/172,189.08
  6. Step 6: Final answer
    x = 181,854.78

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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.