Home / 261,918.14-361,490.51-154,514.57

Finding the Fourth Proportional to 261,918.14, 361,490.51 and 154,514.57

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Solution

The fourth proportional to 261,918.14, 361,490.51 and 154,514.57 is: 213,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,918.14 : 361,490.51 = 154,514.57 : x
  2. Step 2: Convert to fraction form
    261,918.14/361,490.51 = 154,514.57/x
  3. Step 3: Cross multiply
    261,918.14x = 361,490.51 × 154,514.57
  4. Step 4: Simplify right side
    261,918.14x = 55,855,549,290.56
  5. Step 5: Solve for x
    x = 55,855,549,290.56/261,918.14
  6. Step 6: Final answer
    x = 213,255.75

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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.