Home / 386,514.44-533,288.42-223,130.92

Finding the Fourth Proportional to 386,514.44, 533,288.42 and 223,130.92

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Solution

The fourth proportional to 386,514.44, 533,288.42 and 223,130.92 is: 307,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,514.44 : 533,288.42 = 223,130.92 : x
  2. Step 2: Convert to fraction form
    386,514.44/533,288.42 = 223,130.92/x
  3. Step 3: Cross multiply
    386,514.44x = 533,288.42 × 223,130.92
  4. Step 4: Simplify right side
    386,514.44x = 118,993,135,779.95
  5. Step 5: Solve for x
    x = 118,993,135,779.95/386,514.44
  6. Step 6: Final answer
    x = 307,862.07

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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.