Home / 161,961.24-223,506.84-90,339.42

Finding the Fourth Proportional to 161,961.24, 223,506.84 and 90,339.42

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Solution

The fourth proportional to 161,961.24, 223,506.84 and 90,339.42 is: 124,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,961.24 : 223,506.84 = 90,339.42 : x
  2. Step 2: Convert to fraction form
    161,961.24/223,506.84 = 90,339.42/x
  3. Step 3: Cross multiply
    161,961.24x = 223,506.84 × 90,339.42
  4. Step 4: Simplify right side
    161,961.24x = 20,191,478,291.63
  5. Step 5: Solve for x
    x = 20,191,478,291.63/161,961.24
  6. Step 6: Final answer
    x = 124,668.58

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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.