Home / 161,736.99-223,194.08-90,115.47

Finding the Fourth Proportional to 161,736.99, 223,194.08 and 90,115.47

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Solution

The fourth proportional to 161,736.99, 223,194.08 and 90,115.47 is: 124,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,736.99 : 223,194.08 = 90,115.47 : x
  2. Step 2: Convert to fraction form
    161,736.99/223,194.08 = 90,115.47/x
  3. Step 3: Cross multiply
    161,736.99x = 223,194.08 × 90,115.47
  4. Step 4: Simplify right side
    161,736.99x = 20,113,238,969.84
  5. Step 5: Solve for x
    x = 20,113,238,969.84/161,736.99
  6. Step 6: Final answer
    x = 124,357.69

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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.