Home / 436,261.23-654,400.13-136,735.20

Finding the Fourth Proportional to 436,261.23, 654,400.13 and 136,735.20

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Solution

The fourth proportional to 436,261.23, 654,400.13 and 136,735.20 is: 205,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,261.23 : 654,400.13 = 136,735.20 : x
  2. Step 2: Convert to fraction form
    436,261.23/654,400.13 = 136,735.20/x
  3. Step 3: Cross multiply
    436,261.23x = 654,400.13 × 136,735.20
  4. Step 4: Simplify right side
    436,261.23x = 89,479,531,971.90
  5. Step 5: Solve for x
    x = 89,479,531,971.90/436,261.23
  6. Step 6: Final answer
    x = 205,105.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.