Home / 236,213.16-326,003.58-135,609

Finding the Fourth Proportional to 236,213.16, 326,003.58 and 135,609

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Solution

The fourth proportional to 236,213.16, 326,003.58 and 135,609 is: 187,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,213.16 : 326,003.58 = 135,609 : x
  2. Step 2: Convert to fraction form
    236,213.16/326,003.58 = 135,609/x
  3. Step 3: Cross multiply
    236,213.16x = 326,003.58 × 135,609
  4. Step 4: Simplify right side
    236,213.16x = 44,209,019,480.22
  5. Step 5: Solve for x
    x = 44,209,019,480.22/236,213.16
  6. Step 6: Final answer
    x = 187,157.31

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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.